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Finding the Fourth Proportional to 88,806.68, 132,562.17 and 77,596.47

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Solution

The fourth proportional to 88,806.68, 132,562.17 and 77,596.47 is: 115,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,806.68 : 132,562.17 = 77,596.47 : x
  2. Step 2: Convert to fraction form
    88,806.68/132,562.17 = 77,596.47/x
  3. Step 3: Cross multiply
    88,806.68x = 132,562.17 × 77,596.47
  4. Step 4: Simplify right side
    88,806.68x = 10,286,356,447.54
  5. Step 5: Solve for x
    x = 10,286,356,447.54/88,806.68
  6. Step 6: Final answer
    x = 115,828.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.