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Finding the Fourth Proportional to 153,497.70, 230,246.55 and 100,353.60

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Solution

The fourth proportional to 153,497.70, 230,246.55 and 100,353.60 is: 150,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,497.70 : 230,246.55 = 100,353.60 : x
  2. Step 2: Convert to fraction form
    153,497.70/230,246.55 = 100,353.60/x
  3. Step 3: Cross multiply
    153,497.70x = 230,246.55 × 100,353.60
  4. Step 4: Simplify right side
    153,497.70x = 23,106,070,180.08
  5. Step 5: Solve for x
    x = 23,106,070,180.08/153,497.70
  6. Step 6: Final answer
    x = 150,530.40

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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.