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Finding the Fourth Proportional to 92,575.48, 127,753.90 and 50,134

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Solution

The fourth proportional to 92,575.48, 127,753.90 and 50,134 is: 69,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.48 : 127,753.90 = 50,134 : x
  2. Step 2: Convert to fraction form
    92,575.48/127,753.90 = 50,134/x
  3. Step 3: Cross multiply
    92,575.48x = 127,753.90 × 50,134
  4. Step 4: Simplify right side
    92,575.48x = 6,404,814,022.60
  5. Step 5: Solve for x
    x = 6,404,814,022.60/92,575.48
  6. Step 6: Final answer
    x = 69,184.78

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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.