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Finding the Fourth Proportional to 88,557.84, 132,249.78 and 77,826.96

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Solution

The fourth proportional to 88,557.84, 132,249.78 and 77,826.96 is: 116,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,557.84 : 132,249.78 = 77,826.96 : x
  2. Step 2: Convert to fraction form
    88,557.84/132,249.78 = 77,826.96/x
  3. Step 3: Cross multiply
    88,557.84x = 132,249.78 × 77,826.96
  4. Step 4: Simplify right side
    88,557.84x = 10,292,598,338.07
  5. Step 5: Solve for x
    x = 10,292,598,338.07/88,557.84
  6. Step 6: Final answer
    x = 116,224.59

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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.