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Finding the Fourth Proportional to 88,091.76, 132,151.44 and 28,914

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Solution

The fourth proportional to 88,091.76, 132,151.44 and 28,914 is: 43,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.76 : 132,151.44 = 28,914 : x
  2. Step 2: Convert to fraction form
    88,091.76/132,151.44 = 28,914/x
  3. Step 3: Cross multiply
    88,091.76x = 132,151.44 × 28,914
  4. Step 4: Simplify right side
    88,091.76x = 3,821,026,736.16
  5. Step 5: Solve for x
    x = 3,821,026,736.16/88,091.76
  6. Step 6: Final answer
    x = 43,375.53

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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.