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Finding the Fourth Proportional to 132,516.52, 182,874.24 and 72,087.32

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Solution

The fourth proportional to 132,516.52, 182,874.24 and 72,087.32 is: 99,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,516.52 : 182,874.24 = 72,087.32 : x
  2. Step 2: Convert to fraction form
    132,516.52/182,874.24 = 72,087.32/x
  3. Step 3: Cross multiply
    132,516.52x = 182,874.24 × 72,087.32
  4. Step 4: Simplify right side
    132,516.52x = 13,182,913,858.64
  5. Step 5: Solve for x
    x = 13,182,913,858.64/132,516.52
  6. Step 6: Final answer
    x = 99,481.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.