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Finding the Fourth Proportional to 316,757.25, 437,125.01 and 173,517.89

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Solution

The fourth proportional to 316,757.25, 437,125.01 and 173,517.89 is: 239,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,757.25 : 437,125.01 = 173,517.89 : x
  2. Step 2: Convert to fraction form
    316,757.25/437,125.01 = 173,517.89/x
  3. Step 3: Cross multiply
    316,757.25x = 437,125.01 × 173,517.89
  4. Step 4: Simplify right side
    316,757.25x = 75,849,006,348.21
  5. Step 5: Solve for x
    x = 75,849,006,348.21/316,757.25
  6. Step 6: Final answer
    x = 239,454.68

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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.