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Finding the Fourth Proportional to 74,754.92, 112,132.37 and 51,310.28

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Solution

The fourth proportional to 74,754.92, 112,132.37 and 51,310.28 is: 76,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754.92 : 112,132.37 = 51,310.28 : x
  2. Step 2: Convert to fraction form
    74,754.92/112,132.37 = 51,310.28/x
  3. Step 3: Cross multiply
    74,754.92x = 112,132.37 × 51,310.28
  4. Step 4: Simplify right side
    74,754.92x = 5,753,542,484.55
  5. Step 5: Solve for x
    x = 5,753,542,484.55/74,754.92
  6. Step 6: Final answer
    x = 76,965.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.