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Finding the Fourth Proportional to 88,016.72, 132,030.84 and 25,682

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Solution

The fourth proportional to 88,016.72, 132,030.84 and 25,682 is: 38,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.72 : 132,030.84 = 25,682 : x
  2. Step 2: Convert to fraction form
    88,016.72/132,030.84 = 25,682/x
  3. Step 3: Cross multiply
    88,016.72x = 132,030.84 × 25,682
  4. Step 4: Simplify right side
    88,016.72x = 3,390,816,032.88
  5. Step 5: Solve for x
    x = 3,390,816,032.88/88,016.72
  6. Step 6: Final answer
    x = 38,524.68

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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.