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Finding the Fourth Proportional to 99,337.73, 148,662.88 and 61,371.41

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Solution

The fourth proportional to 99,337.73, 148,662.88 and 61,371.41 is: 91,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.73 : 148,662.88 = 61,371.41 : x
  2. Step 2: Convert to fraction form
    99,337.73/148,662.88 = 61,371.41/x
  3. Step 3: Cross multiply
    99,337.73x = 148,662.88 × 61,371.41
  4. Step 4: Simplify right side
    99,337.73x = 9,123,649,663.52
  5. Step 5: Solve for x
    x = 9,123,649,663.52/99,337.73
  6. Step 6: Final answer
    x = 91,844.76

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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.