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Finding the Fourth Proportional to 88,478.91, 132,718.37 and 25,298.54

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Solution

The fourth proportional to 88,478.91, 132,718.37 and 25,298.54 is: 37,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,478.91 : 132,718.37 = 25,298.54 : x
  2. Step 2: Convert to fraction form
    88,478.91/132,718.37 = 25,298.54/x
  3. Step 3: Cross multiply
    88,478.91x = 132,718.37 × 25,298.54
  4. Step 4: Simplify right side
    88,478.91x = 3,357,580,202.10
  5. Step 5: Solve for x
    x = 3,357,580,202.10/88,478.91
  6. Step 6: Final answer
    x = 37,947.80

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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.