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Finding the Fourth Proportional to 88,162.70, 132,262.31 and 40,108.41

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Solution

The fourth proportional to 88,162.70, 132,262.31 and 40,108.41 is: 60,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.70 : 132,262.31 = 40,108.41 : x
  2. Step 2: Convert to fraction form
    88,162.70/132,262.31 = 40,108.41/x
  3. Step 3: Cross multiply
    88,162.70x = 132,262.31 × 40,108.41
  4. Step 4: Simplify right side
    88,162.70x = 5,304,831,057.30
  5. Step 5: Solve for x
    x = 5,304,831,057.30/88,162.70
  6. Step 6: Final answer
    x = 60,170.93

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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.