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Finding the Fourth Proportional to 92,691.72, 127,914.24 and 50,250.24

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Solution

The fourth proportional to 92,691.72, 127,914.24 and 50,250.24 is: 69,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,691.72 : 127,914.24 = 50,250.24 : x
  2. Step 2: Convert to fraction form
    92,691.72/127,914.24 = 50,250.24/x
  3. Step 3: Cross multiply
    92,691.72x = 127,914.24 × 50,250.24
  4. Step 4: Simplify right side
    92,691.72x = 6,427,721,259.42
  5. Step 5: Solve for x
    x = 6,427,721,259.42/92,691.72
  6. Step 6: Final answer
    x = 69,345.15

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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.