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Finding the Fourth Proportional to 141,384.56, 212,079.56 and 113,173.65

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Solution

The fourth proportional to 141,384.56, 212,079.56 and 113,173.65 is: 169,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,384.56 : 212,079.56 = 113,173.65 : x
  2. Step 2: Convert to fraction form
    141,384.56/212,079.56 = 113,173.65/x
  3. Step 3: Cross multiply
    141,384.56x = 212,079.56 × 113,173.65
  4. Step 4: Simplify right side
    141,384.56x = 24,001,817,329.73
  5. Step 5: Solve for x
    x = 24,001,817,329.73/141,384.56
  6. Step 6: Final answer
    x = 169,762.65

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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.