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Finding the Fourth Proportional to 339,166.70, 508,750.05 and 102,545.90

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Solution

The fourth proportional to 339,166.70, 508,750.05 and 102,545.90 is: 153,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,166.70 : 508,750.05 = 102,545.90 : x
  2. Step 2: Convert to fraction form
    339,166.70/508,750.05 = 102,545.90/x
  3. Step 3: Cross multiply
    339,166.70x = 508,750.05 × 102,545.90
  4. Step 4: Simplify right side
    339,166.70x = 52,170,231,752.30
  5. Step 5: Solve for x
    x = 52,170,231,752.30/339,166.70
  6. Step 6: Final answer
    x = 153,818.85

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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.