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Finding the Fourth Proportional to 92,392.90, 127,502.13 and 49,951.06

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Solution

The fourth proportional to 92,392.90, 127,502.13 and 49,951.06 is: 68,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,392.90 : 127,502.13 = 49,951.06 : x
  2. Step 2: Convert to fraction form
    92,392.90/127,502.13 = 49,951.06/x
  3. Step 3: Cross multiply
    92,392.90x = 127,502.13 × 49,951.06
  4. Step 4: Simplify right side
    92,392.90x = 6,368,866,545.76
  5. Step 5: Solve for x
    x = 6,368,866,545.76/92,392.90
  6. Step 6: Final answer
    x = 68,932.42

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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.