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Finding the Fourth Proportional to 359,601.48, 539,261.90 and 134,839.32

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Solution

The fourth proportional to 359,601.48, 539,261.90 and 134,839.32 is: 202,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,601.48 : 539,261.90 = 134,839.32 : x
  2. Step 2: Convert to fraction form
    359,601.48/539,261.90 = 134,839.32/x
  3. Step 3: Cross multiply
    359,601.48x = 539,261.90 × 134,839.32
  4. Step 4: Simplify right side
    359,601.48x = 72,713,707,897.91
  5. Step 5: Solve for x
    x = 72,713,707,897.91/359,601.48
  6. Step 6: Final answer
    x = 202,206.36

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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.