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Finding the Fourth Proportional to 159,497.70, 239,246.55 and 149,000.10

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Solution

The fourth proportional to 159,497.70, 239,246.55 and 149,000.10 is: 223,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,497.70 : 239,246.55 = 149,000.10 : x
  2. Step 2: Convert to fraction form
    159,497.70/239,246.55 = 149,000.10/x
  3. Step 3: Cross multiply
    159,497.70x = 239,246.55 × 149,000.10
  4. Step 4: Simplify right side
    159,497.70x = 35,647,759,874.66
  5. Step 5: Solve for x
    x = 35,647,759,874.66/159,497.70
  6. Step 6: Final answer
    x = 223,500.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.