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Finding the Fourth Proportional to 88,082.76, 132,074.63 and 28,913.48

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Solution

The fourth proportional to 88,082.76, 132,074.63 and 28,913.48 is: 43,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082.76 : 132,074.63 = 28,913.48 : x
  2. Step 2: Convert to fraction form
    88,082.76/132,074.63 = 28,913.48/x
  3. Step 3: Cross multiply
    88,082.76x = 132,074.63 × 28,913.48
  4. Step 4: Simplify right side
    88,082.76x = 3,818,737,173.01
  5. Step 5: Solve for x
    x = 3,818,737,173.01/88,082.76
  6. Step 6: Final answer
    x = 43,353.97

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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.