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Finding the Fourth Proportional to 226,691.98, 312,834.92 and 124,715.25

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Solution

The fourth proportional to 226,691.98, 312,834.92 and 124,715.25 is: 172,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,691.98 : 312,834.92 = 124,715.25 : x
  2. Step 2: Convert to fraction form
    226,691.98/312,834.92 = 124,715.25/x
  3. Step 3: Cross multiply
    226,691.98x = 312,834.92 × 124,715.25
  4. Step 4: Simplify right side
    226,691.98x = 39,015,284,632.95
  5. Step 5: Solve for x
    x = 39,015,284,632.95/226,691.98
  6. Step 6: Final answer
    x = 172,107.04

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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.