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Finding the Fourth Proportional to 88,236.52, 132,246.34 and 40,787.42

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Solution

The fourth proportional to 88,236.52, 132,246.34 and 40,787.42 is: 61,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.52 : 132,246.34 = 40,787.42 : x
  2. Step 2: Convert to fraction form
    88,236.52/132,246.34 = 40,787.42/x
  3. Step 3: Cross multiply
    88,236.52x = 132,246.34 × 40,787.42
  4. Step 4: Simplify right side
    88,236.52x = 5,393,987,013.04
  5. Step 5: Solve for x
    x = 5,393,987,013.04/88,236.52
  6. Step 6: Final answer
    x = 61,131.00

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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.