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Finding the Fourth Proportional to 92,159.76, 127,180.72 and 51,874.12

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Solution

The fourth proportional to 92,159.76, 127,180.72 and 51,874.12 is: 71,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,159.76 : 127,180.72 = 51,874.12 : x
  2. Step 2: Convert to fraction form
    92,159.76/127,180.72 = 51,874.12/x
  3. Step 3: Cross multiply
    92,159.76x = 127,180.72 × 51,874.12
  4. Step 4: Simplify right side
    92,159.76x = 6,597,387,930.97
  5. Step 5: Solve for x
    x = 6,597,387,930.97/92,159.76
  6. Step 6: Final answer
    x = 71,586.43

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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.