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Finding the Fourth Proportional to 103,301.49, 154,898.49 and 36,731.97

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Solution

The fourth proportional to 103,301.49, 154,898.49 and 36,731.97 is: 55,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,301.49 : 154,898.49 = 36,731.97 : x
  2. Step 2: Convert to fraction form
    103,301.49/154,898.49 = 36,731.97/x
  3. Step 3: Cross multiply
    103,301.49x = 154,898.49 × 36,731.97
  4. Step 4: Simplify right side
    103,301.49x = 5,689,726,687.73
  5. Step 5: Solve for x
    x = 5,689,726,687.73/103,301.49
  6. Step 6: Final answer
    x = 55,078.84

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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.