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Finding the Fourth Proportional to 83,093.42, 124,629.20 and 23,125.88

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Solution

The fourth proportional to 83,093.42, 124,629.20 and 23,125.88 is: 34,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093.42 : 124,629.20 = 23,125.88 : x
  2. Step 2: Convert to fraction form
    83,093.42/124,629.20 = 23,125.88/x
  3. Step 3: Cross multiply
    83,093.42x = 124,629.20 × 23,125.88
  4. Step 4: Simplify right side
    83,093.42x = 2,882,160,206.36
  5. Step 5: Solve for x
    x = 2,882,160,206.36/83,093.42
  6. Step 6: Final answer
    x = 34,685.78

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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.