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Finding the Fourth Proportional to 71,957.17, 107,870.41 and 25,184.53

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Solution

The fourth proportional to 71,957.17, 107,870.41 and 25,184.53 is: 37,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,957.17 : 107,870.41 = 25,184.53 : x
  2. Step 2: Convert to fraction form
    71,957.17/107,870.41 = 25,184.53/x
  3. Step 3: Cross multiply
    71,957.17x = 107,870.41 × 25,184.53
  4. Step 4: Simplify right side
    71,957.17x = 2,716,665,576.76
  5. Step 5: Solve for x
    x = 2,716,665,576.76/71,957.17
  6. Step 6: Final answer
    x = 37,753.92

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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.