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Finding the Fourth Proportional to 88,370.65, 132,541.66 and 28,396.29

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Solution

The fourth proportional to 88,370.65, 132,541.66 and 28,396.29 is: 42,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,370.65 : 132,541.66 = 28,396.29 : x
  2. Step 2: Convert to fraction form
    88,370.65/132,541.66 = 28,396.29/x
  3. Step 3: Cross multiply
    88,370.65x = 132,541.66 × 28,396.29
  4. Step 4: Simplify right side
    88,370.65x = 3,763,691,414.44
  5. Step 5: Solve for x
    x = 3,763,691,414.44/88,370.65
  6. Step 6: Final answer
    x = 42,589.84

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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.