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Finding the Fourth Proportional to 92,479.38, 127,621.35 and 50,037.90

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Solution

The fourth proportional to 92,479.38, 127,621.35 and 50,037.90 is: 69,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.38 : 127,621.35 = 50,037.90 : x
  2. Step 2: Convert to fraction form
    92,479.38/127,621.35 = 50,037.90/x
  3. Step 3: Cross multiply
    92,479.38x = 127,621.35 × 50,037.90
  4. Step 4: Simplify right side
    92,479.38x = 6,385,904,349.17
  5. Step 5: Solve for x
    x = 6,385,904,349.17/92,479.38
  6. Step 6: Final answer
    x = 69,052.20

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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.