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Finding the Fourth Proportional to 359,459.04, 539,190.72 and 159,732.48

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Solution

The fourth proportional to 359,459.04, 539,190.72 and 159,732.48 is: 239,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,459.04 : 539,190.72 = 159,732.48 : x
  2. Step 2: Convert to fraction form
    359,459.04/539,190.72 = 159,732.48/x
  3. Step 3: Cross multiply
    359,459.04x = 539,190.72 × 159,732.48
  4. Step 4: Simplify right side
    359,459.04x = 86,126,270,898.59
  5. Step 5: Solve for x
    x = 86,126,270,898.59/359,459.04
  6. Step 6: Final answer
    x = 239,599.68

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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.