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Finding the Fourth Proportional to 88,151.67, 132,231.75 and 28,986.03

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Solution

The fourth proportional to 88,151.67, 132,231.75 and 28,986.03 is: 43,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.67 : 132,231.75 = 28,986.03 : x
  2. Step 2: Convert to fraction form
    88,151.67/132,231.75 = 28,986.03/x
  3. Step 3: Cross multiply
    88,151.67x = 132,231.75 × 28,986.03
  4. Step 4: Simplify right side
    88,151.67x = 3,832,873,472.45
  5. Step 5: Solve for x
    x = 3,832,873,472.45/88,151.67
  6. Step 6: Final answer
    x = 43,480.44

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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.