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Finding the Fourth Proportional to 88,571.34, 132,732.68 and 48,487.28

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Solution

The fourth proportional to 88,571.34, 132,732.68 and 48,487.28 is: 72,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571.34 : 132,732.68 = 48,487.28 : x
  2. Step 2: Convert to fraction form
    88,571.34/132,732.68 = 48,487.28/x
  3. Step 3: Cross multiply
    88,571.34x = 132,732.68 × 48,487.28
  4. Step 4: Simplify right side
    88,571.34x = 6,435,845,714.21
  5. Step 5: Solve for x
    x = 6,435,845,714.21/88,571.34
  6. Step 6: Final answer
    x = 72,662.85

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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.