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Finding the Fourth Proportional to 88,383.98, 132,746.07 and 75,762.56

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Solution

The fourth proportional to 88,383.98, 132,746.07 and 75,762.56 is: 113,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,383.98 : 132,746.07 = 75,762.56 : x
  2. Step 2: Convert to fraction form
    88,383.98/132,746.07 = 75,762.56/x
  3. Step 3: Cross multiply
    88,383.98x = 132,746.07 × 75,762.56
  4. Step 4: Simplify right side
    88,383.98x = 10,057,181,429.41
  5. Step 5: Solve for x
    x = 10,057,181,429.41/88,383.98
  6. Step 6: Final answer
    x = 113,789.65

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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.