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Finding the Fourth Proportional to 92,691.27, 127,914.80 and 50,249.90

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Solution

The fourth proportional to 92,691.27, 127,914.80 and 50,249.90 is: 69,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,691.27 : 127,914.80 = 50,249.90 : x
  2. Step 2: Convert to fraction form
    92,691.27/127,914.80 = 50,249.90/x
  3. Step 3: Cross multiply
    92,691.27x = 127,914.80 × 50,249.90
  4. Step 4: Simplify right side
    92,691.27x = 6,427,705,977.06
  5. Step 5: Solve for x
    x = 6,427,705,977.06/92,691.27
  6. Step 6: Final answer
    x = 69,345.32

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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.