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Finding the Fourth Proportional to 99,355.41, 149,046.48 and 36,167.31

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Solution

The fourth proportional to 99,355.41, 149,046.48 and 36,167.31 is: 54,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355.41 : 149,046.48 = 36,167.31 : x
  2. Step 2: Convert to fraction form
    99,355.41/149,046.48 = 36,167.31/x
  3. Step 3: Cross multiply
    99,355.41x = 149,046.48 × 36,167.31
  4. Step 4: Simplify right side
    99,355.41x = 5,390,610,246.57
  5. Step 5: Solve for x
    x = 5,390,610,246.57/99,355.41
  6. Step 6: Final answer
    x = 54,255.83

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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.