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Finding the Fourth Proportional to 92,488.66, 127,592.69 and 54,250.49

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Solution

The fourth proportional to 92,488.66, 127,592.69 and 54,250.49 is: 74,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,488.66 : 127,592.69 = 54,250.49 : x
  2. Step 2: Convert to fraction form
    92,488.66/127,592.69 = 54,250.49/x
  3. Step 3: Cross multiply
    92,488.66x = 127,592.69 × 54,250.49
  4. Step 4: Simplify right side
    92,488.66x = 6,921,966,000.65
  5. Step 5: Solve for x
    x = 6,921,966,000.65/92,488.66
  6. Step 6: Final answer
    x = 74,841.24

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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.