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Finding the Fourth Proportional to 125,836.32, 173,654.64 and 69,247.92

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Solution

The fourth proportional to 125,836.32, 173,654.64 and 69,247.92 is: 95,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,836.32 : 173,654.64 = 69,247.92 : x
  2. Step 2: Convert to fraction form
    125,836.32/173,654.64 = 69,247.92/x
  3. Step 3: Cross multiply
    125,836.32x = 173,654.64 × 69,247.92
  4. Step 4: Simplify right side
    125,836.32x = 12,025,222,618.35
  5. Step 5: Solve for x
    x = 12,025,222,618.35/125,836.32
  6. Step 6: Final answer
    x = 95,562.41

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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.