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Finding the Fourth Proportional to 359,702.64, 539,553.60 and 106,982.10

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Solution

The fourth proportional to 359,702.64, 539,553.60 and 106,982.10 is: 160,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,702.64 : 539,553.60 = 106,982.10 : x
  2. Step 2: Convert to fraction form
    359,702.64/539,553.60 = 106,982.10/x
  3. Step 3: Cross multiply
    359,702.64x = 539,553.60 × 106,982.10
  4. Step 4: Simplify right side
    359,702.64x = 57,722,577,190.56
  5. Step 5: Solve for x
    x = 57,722,577,190.56/359,702.64
  6. Step 6: Final answer
    x = 160,473.04

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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.