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Finding the Fourth Proportional to 88,580.96, 132,721.10 and 53,446.82

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Solution

The fourth proportional to 88,580.96, 132,721.10 and 53,446.82 is: 80,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.96 : 132,721.10 = 53,446.82 : x
  2. Step 2: Convert to fraction form
    88,580.96/132,721.10 = 53,446.82/x
  3. Step 3: Cross multiply
    88,580.96x = 132,721.10 × 53,446.82
  4. Step 4: Simplify right side
    88,580.96x = 7,093,520,741.90
  5. Step 5: Solve for x
    x = 7,093,520,741.90/88,580.96
  6. Step 6: Final answer
    x = 80,079.52

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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.