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Finding the Fourth Proportional to 359,501.92, 539,265.84 and 134,839.60

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Solution

The fourth proportional to 359,501.92, 539,265.84 and 134,839.60 is: 202,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,501.92 : 539,265.84 = 134,839.60 : x
  2. Step 2: Convert to fraction form
    359,501.92/539,265.84 = 134,839.60/x
  3. Step 3: Cross multiply
    359,501.92x = 539,265.84 × 134,839.60
  4. Step 4: Simplify right side
    359,501.92x = 72,714,390,159.26
  5. Step 5: Solve for x
    x = 72,714,390,159.26/359,501.92
  6. Step 6: Final answer
    x = 202,264.26

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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.