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Finding the Fourth Proportional to 359,754.28, 539,537.42 and 106,966.70

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Solution

The fourth proportional to 359,754.28, 539,537.42 and 106,966.70 is: 160,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,754.28 : 539,537.42 = 106,966.70 : x
  2. Step 2: Convert to fraction form
    359,754.28/539,537.42 = 106,966.70/x
  3. Step 3: Cross multiply
    359,754.28x = 539,537.42 × 106,966.70
  4. Step 4: Simplify right side
    359,754.28x = 57,712,537,343.91
  5. Step 5: Solve for x
    x = 57,712,537,343.91/359,754.28
  6. Step 6: Final answer
    x = 160,422.10

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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.