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Finding the Fourth Proportional to 149,167.56, 205,876.80 and 95,449.98

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Solution

The fourth proportional to 149,167.56, 205,876.80 and 95,449.98 is: 131,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167.56 : 205,876.80 = 95,449.98 : x
  2. Step 2: Convert to fraction form
    149,167.56/205,876.80 = 95,449.98/x
  3. Step 3: Cross multiply
    149,167.56x = 205,876.80 × 95,449.98
  4. Step 4: Simplify right side
    149,167.56x = 19,650,936,442.46
  5. Step 5: Solve for x
    x = 19,650,936,442.46/149,167.56
  6. Step 6: Final answer
    x = 131,737.33

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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.