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Finding the Fourth Proportional to 359,401.13, 539,044.56 and 119,495.08

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Solution

The fourth proportional to 359,401.13, 539,044.56 and 119,495.08 is: 179,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,401.13 : 539,044.56 = 119,495.08 : x
  2. Step 2: Convert to fraction form
    359,401.13/539,044.56 = 119,495.08/x
  3. Step 3: Cross multiply
    359,401.13x = 539,044.56 × 119,495.08
  4. Step 4: Simplify right side
    359,401.13x = 64,413,170,125.54
  5. Step 5: Solve for x
    x = 64,413,170,125.54/359,401.13
  6. Step 6: Final answer
    x = 179,223.62

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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.