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Finding the Fourth Proportional to 88,524.31, 132,689.86 and 43,576.60

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Solution

The fourth proportional to 88,524.31, 132,689.86 and 43,576.60 is: 65,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,524.31 : 132,689.86 = 43,576.60 : x
  2. Step 2: Convert to fraction form
    88,524.31/132,689.86 = 43,576.60/x
  3. Step 3: Cross multiply
    88,524.31x = 132,689.86 × 43,576.60
  4. Step 4: Simplify right side
    88,524.31x = 5,782,172,953.28
  5. Step 5: Solve for x
    x = 5,782,172,953.28/88,524.31
  6. Step 6: Final answer
    x = 65,317.35

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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.