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Finding the Fourth Proportional to 75,097.96, 112,591.58 and 45,508.84

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Solution

The fourth proportional to 75,097.96, 112,591.58 and 45,508.84 is: 68,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.96 : 112,591.58 = 45,508.84 : x
  2. Step 2: Convert to fraction form
    75,097.96/112,591.58 = 45,508.84/x
  3. Step 3: Cross multiply
    75,097.96x = 112,591.58 × 45,508.84
  4. Step 4: Simplify right side
    75,097.96x = 5,123,912,199.57
  5. Step 5: Solve for x
    x = 5,123,912,199.57/75,097.96
  6. Step 6: Final answer
    x = 68,229.71

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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.