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Finding the Fourth Proportional to 359,502.92, 539,267.34 and 134,840.60

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Solution

The fourth proportional to 359,502.92, 539,267.34 and 134,840.60 is: 202,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,502.92 : 539,267.34 = 134,840.60 : x
  2. Step 2: Convert to fraction form
    359,502.92/539,267.34 = 134,840.60/x
  3. Step 3: Cross multiply
    359,502.92x = 539,267.34 × 134,840.60
  4. Step 4: Simplify right side
    359,502.92x = 72,715,131,686.00
  5. Step 5: Solve for x
    x = 72,715,131,686.00/359,502.92
  6. Step 6: Final answer
    x = 202,265.76

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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.