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Finding the Fourth Proportional to 359,553.13, 539,189.51 and 134,791.04

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Solution

The fourth proportional to 359,553.13, 539,189.51 and 134,791.04 is: 202,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,553.13 : 539,189.51 = 134,791.04 : x
  2. Step 2: Convert to fraction form
    359,553.13/539,189.51 = 134,791.04/x
  3. Step 3: Cross multiply
    359,553.13x = 539,189.51 × 134,791.04
  4. Step 4: Simplify right side
    359,553.13x = 72,677,913,209.27
  5. Step 5: Solve for x
    x = 72,677,913,209.27/359,553.13
  6. Step 6: Final answer
    x = 202,134.00

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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.