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Finding the Fourth Proportional to 162,866.70, 224,753.94 and 91,247.31

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Solution

The fourth proportional to 162,866.70, 224,753.94 and 91,247.31 is: 125,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,866.70 : 224,753.94 = 91,247.31 : x
  2. Step 2: Convert to fraction form
    162,866.70/224,753.94 = 91,247.31/x
  3. Step 3: Cross multiply
    162,866.70x = 224,753.94 × 91,247.31
  4. Step 4: Simplify right side
    162,866.70x = 20,508,192,436.90
  5. Step 5: Solve for x
    x = 20,508,192,436.90/162,866.70
  6. Step 6: Final answer
    x = 125,920.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.