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Finding the Fourth Proportional to 359,554.88, 539,192.14 and 134,792.79

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Solution

The fourth proportional to 359,554.88, 539,192.14 and 134,792.79 is: 202,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,554.88 : 539,192.14 = 134,792.79 : x
  2. Step 2: Convert to fraction form
    359,554.88/539,192.14 = 134,792.79/x
  3. Step 3: Cross multiply
    359,554.88x = 539,192.14 × 134,792.79
  4. Step 4: Simplify right side
    359,554.88x = 72,679,209,526.75
  5. Step 5: Solve for x
    x = 72,679,209,526.75/359,554.88
  6. Step 6: Final answer
    x = 202,136.62

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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.