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Finding the Fourth Proportional to 356,275.68, 534,400.56 and 106,951.20

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Solution

The fourth proportional to 356,275.68, 534,400.56 and 106,951.20 is: 160,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,275.68 : 534,400.56 = 106,951.20 : x
  2. Step 2: Convert to fraction form
    356,275.68/534,400.56 = 106,951.20/x
  3. Step 3: Cross multiply
    356,275.68x = 534,400.56 × 106,951.20
  4. Step 4: Simplify right side
    356,275.68x = 57,154,781,172.67
  5. Step 5: Solve for x
    x = 57,154,781,172.67/356,275.68
  6. Step 6: Final answer
    x = 160,422.91

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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.