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Finding the Fourth Proportional to 88,048.60, 132,072.90 and 25,719.10

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Solution

The fourth proportional to 88,048.60, 132,072.90 and 25,719.10 is: 38,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,048.60 : 132,072.90 = 25,719.10 : x
  2. Step 2: Convert to fraction form
    88,048.60/132,072.90 = 25,719.10/x
  3. Step 3: Cross multiply
    88,048.60x = 132,072.90 × 25,719.10
  4. Step 4: Simplify right side
    88,048.60x = 3,396,796,122.39
  5. Step 5: Solve for x
    x = 3,396,796,122.39/88,048.60
  6. Step 6: Final answer
    x = 38,578.65

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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.