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Finding the Fourth Proportional to 73,100.57, 109,660.88 and 25,704.81

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Solution

The fourth proportional to 73,100.57, 109,660.88 and 25,704.81 is: 38,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,100.57 : 109,660.88 = 25,704.81 : x
  2. Step 2: Convert to fraction form
    73,100.57/109,660.88 = 25,704.81/x
  3. Step 3: Cross multiply
    73,100.57x = 109,660.88 × 25,704.81
  4. Step 4: Simplify right side
    73,100.57x = 2,818,812,149.09
  5. Step 5: Solve for x
    x = 2,818,812,149.09/73,100.57
  6. Step 6: Final answer
    x = 38,560.74

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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.