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Finding the Fourth Proportional to 88,006.72, 132,015.84 and 25,672

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Solution

The fourth proportional to 88,006.72, 132,015.84 and 25,672 is: 38,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,006.72 : 132,015.84 = 25,672 : x
  2. Step 2: Convert to fraction form
    88,006.72/132,015.84 = 25,672/x
  3. Step 3: Cross multiply
    88,006.72x = 132,015.84 × 25,672
  4. Step 4: Simplify right side
    88,006.72x = 3,389,110,644.48
  5. Step 5: Solve for x
    x = 3,389,110,644.48/88,006.72
  6. Step 6: Final answer
    x = 38,509.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.