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Finding the Fourth Proportional to 88,114.10, 132,257.55 and 43,790.90

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Solution

The fourth proportional to 88,114.10, 132,257.55 and 43,790.90 is: 65,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,114.10 : 132,257.55 = 43,790.90 : x
  2. Step 2: Convert to fraction form
    88,114.10/132,257.55 = 43,790.90/x
  3. Step 3: Cross multiply
    88,114.10x = 132,257.55 × 43,790.90
  4. Step 4: Simplify right side
    88,114.10x = 5,791,677,146.30
  5. Step 5: Solve for x
    x = 5,791,677,146.30/88,114.10
  6. Step 6: Final answer
    x = 65,729.29

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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.