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Finding the Fourth Proportional to 359,555.01, 539,192.32 and 134,792.92

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Solution

The fourth proportional to 359,555.01, 539,192.32 and 134,792.92 is: 202,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,555.01 : 539,192.32 = 134,792.92 : x
  2. Step 2: Convert to fraction form
    359,555.01/539,192.32 = 134,792.92/x
  3. Step 3: Cross multiply
    359,555.01x = 539,192.32 × 134,792.92
  4. Step 4: Simplify right side
    359,555.01x = 72,679,306,580.41
  5. Step 5: Solve for x
    x = 72,679,306,580.41/359,555.01
  6. Step 6: Final answer
    x = 202,136.82

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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.