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Finding the Fourth Proportional to 88,571.88, 132,921 and 49,160.52

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Solution

The fourth proportional to 88,571.88, 132,921 and 49,160.52 is: 73,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571.88 : 132,921 = 49,160.52 : x
  2. Step 2: Convert to fraction form
    88,571.88/132,921 = 49,160.52/x
  3. Step 3: Cross multiply
    88,571.88x = 132,921 × 49,160.52
  4. Step 4: Simplify right side
    88,571.88x = 6,534,465,478.92
  5. Step 5: Solve for x
    x = 6,534,465,478.92/88,571.88
  6. Step 6: Final answer
    x = 73,775.85

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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.