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Finding the Fourth Proportional to 342,882.11, 514,347.82 and 118,239.29

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Solution

The fourth proportional to 342,882.11, 514,347.82 and 118,239.29 is: 177,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,882.11 : 514,347.82 = 118,239.29 : x
  2. Step 2: Convert to fraction form
    342,882.11/514,347.82 = 118,239.29/x
  3. Step 3: Cross multiply
    342,882.11x = 514,347.82 × 118,239.29
  4. Step 4: Simplify right side
    342,882.11x = 60,816,123,669.62
  5. Step 5: Solve for x
    x = 60,816,123,669.62/342,882.11
  6. Step 6: Final answer
    x = 177,367.44

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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.