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Finding the Fourth Proportional to 89,513.73, 123,526.49 and 49,227.48

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Solution

The fourth proportional to 89,513.73, 123,526.49 and 49,227.48 is: 67,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,513.73 : 123,526.49 = 49,227.48 : x
  2. Step 2: Convert to fraction form
    89,513.73/123,526.49 = 49,227.48/x
  3. Step 3: Cross multiply
    89,513.73x = 123,526.49 × 49,227.48
  4. Step 4: Simplify right side
    89,513.73x = 6,080,897,569.81
  5. Step 5: Solve for x
    x = 6,080,897,569.81/89,513.73
  6. Step 6: Final answer
    x = 67,932.57

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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.