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Finding the Fourth Proportional to 88,659.97, 132,839.60 and 53,525.81

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Solution

The fourth proportional to 88,659.97, 132,839.60 and 53,525.81 is: 80,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,659.97 : 132,839.60 = 53,525.81 : x
  2. Step 2: Convert to fraction form
    88,659.97/132,839.60 = 53,525.81/x
  3. Step 3: Cross multiply
    88,659.97x = 132,839.60 × 53,525.81
  4. Step 4: Simplify right side
    88,659.97x = 7,110,347,254.55
  5. Step 5: Solve for x
    x = 7,110,347,254.55/88,659.97
  6. Step 6: Final answer
    x = 80,197.95

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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.