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Finding the Fourth Proportional to 92,397.87, 127,508.78 and 49,956.39

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Solution

The fourth proportional to 92,397.87, 127,508.78 and 49,956.39 is: 68,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,397.87 : 127,508.78 = 49,956.39 : x
  2. Step 2: Convert to fraction form
    92,397.87/127,508.78 = 49,956.39/x
  3. Step 3: Cross multiply
    92,397.87x = 127,508.78 × 49,956.39
  4. Step 4: Simplify right side
    92,397.87x = 6,369,878,092.32
  5. Step 5: Solve for x
    x = 6,369,878,092.32/92,397.87
  6. Step 6: Final answer
    x = 68,939.66

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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.