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Finding the Fourth Proportional to 359,031.34, 538,545.39 and 92,769.22

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Solution

The fourth proportional to 359,031.34, 538,545.39 and 92,769.22 is: 139,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,031.34 : 538,545.39 = 92,769.22 : x
  2. Step 2: Convert to fraction form
    359,031.34/538,545.39 = 92,769.22/x
  3. Step 3: Cross multiply
    359,031.34x = 538,545.39 × 92,769.22
  4. Step 4: Simplify right side
    359,031.34x = 49,960,435,764.90
  5. Step 5: Solve for x
    x = 49,960,435,764.90/359,031.34
  6. Step 6: Final answer
    x = 139,153.41

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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.