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Finding the Fourth Proportional to 89,750.46, 123,849.07 and 49,461.87

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Solution

The fourth proportional to 89,750.46, 123,849.07 and 49,461.87 is: 68,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,750.46 : 123,849.07 = 49,461.87 : x
  2. Step 2: Convert to fraction form
    89,750.46/123,849.07 = 49,461.87/x
  3. Step 3: Cross multiply
    89,750.46x = 123,849.07 × 49,461.87
  4. Step 4: Simplify right side
    89,750.46x = 6,125,806,599.96
  5. Step 5: Solve for x
    x = 6,125,806,599.96/89,750.46
  6. Step 6: Final answer
    x = 68,253.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.