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Finding the Fourth Proportional to 88,253.94, 132,379.76 and 21,694.66

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Solution

The fourth proportional to 88,253.94, 132,379.76 and 21,694.66 is: 32,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,253.94 : 132,379.76 = 21,694.66 : x
  2. Step 2: Convert to fraction form
    88,253.94/132,379.76 = 21,694.66/x
  3. Step 3: Cross multiply
    88,253.94x = 132,379.76 × 21,694.66
  4. Step 4: Simplify right side
    88,253.94x = 2,871,933,884.08
  5. Step 5: Solve for x
    x = 2,871,933,884.08/88,253.94
  6. Step 6: Final answer
    x = 32,541.71

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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.