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Finding the Fourth Proportional to 75,049.92, 112,493.88 and 48,773.52

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Solution

The fourth proportional to 75,049.92, 112,493.88 and 48,773.52 is: 73,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,049.92 : 112,493.88 = 48,773.52 : x
  2. Step 2: Convert to fraction form
    75,049.92/112,493.88 = 48,773.52/x
  3. Step 3: Cross multiply
    75,049.92x = 112,493.88 × 48,773.52
  4. Step 4: Simplify right side
    75,049.92x = 5,486,722,506.06
  5. Step 5: Solve for x
    x = 5,486,722,506.06/75,049.92
  6. Step 6: Final answer
    x = 73,107.64

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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.