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Finding the Fourth Proportional to 88,446.81, 132,734.34 and 66,319.77

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Solution

The fourth proportional to 88,446.81, 132,734.34 and 66,319.77 is: 99,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,446.81 : 132,734.34 = 66,319.77 : x
  2. Step 2: Convert to fraction form
    88,446.81/132,734.34 = 66,319.77/x
  3. Step 3: Cross multiply
    88,446.81x = 132,734.34 × 66,319.77
  4. Step 4: Simplify right side
    88,446.81x = 8,802,910,899.90
  5. Step 5: Solve for x
    x = 8,802,910,899.90/88,446.81
  6. Step 6: Final answer
    x = 99,527.74

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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.