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Finding the Fourth Proportional to 92,410.68, 127,523.88 and 52,123.86

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Solution

The fourth proportional to 92,410.68, 127,523.88 and 52,123.86 is: 71,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,410.68 : 127,523.88 = 52,123.86 : x
  2. Step 2: Convert to fraction form
    92,410.68/127,523.88 = 52,123.86/x
  3. Step 3: Cross multiply
    92,410.68x = 127,523.88 × 52,123.86
  4. Step 4: Simplify right side
    92,410.68x = 6,647,036,867.78
  5. Step 5: Solve for x
    x = 6,647,036,867.78/92,410.68
  6. Step 6: Final answer
    x = 71,929.31

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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.