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Finding the Fourth Proportional to 110,729.62, 152,807.07 and 60,428.62

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Solution

The fourth proportional to 110,729.62, 152,807.07 and 60,428.62 is: 83,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,729.62 : 152,807.07 = 60,428.62 : x
  2. Step 2: Convert to fraction form
    110,729.62/152,807.07 = 60,428.62/x
  3. Step 3: Cross multiply
    110,729.62x = 152,807.07 × 60,428.62
  4. Step 4: Simplify right side
    110,729.62x = 9,233,920,366.34
  5. Step 5: Solve for x
    x = 9,233,920,366.34/110,729.62
  6. Step 6: Final answer
    x = 83,391.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.