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Finding the Fourth Proportional to 92,438.92, 127,565.72 and 49,997.44

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Solution

The fourth proportional to 92,438.92, 127,565.72 and 49,997.44 is: 68,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,438.92 : 127,565.72 = 49,997.44 : x
  2. Step 2: Convert to fraction form
    92,438.92/127,565.72 = 49,997.44/x
  3. Step 3: Cross multiply
    92,438.92x = 127,565.72 × 49,997.44
  4. Step 4: Simplify right side
    92,438.92x = 6,377,959,431.76
  5. Step 5: Solve for x
    x = 6,377,959,431.76/92,438.92
  6. Step 6: Final answer
    x = 68,996.47

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1.5x scale

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.