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Finding the Fourth Proportional to 88,660.88, 133,016.16 and 38,745.44

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Solution

The fourth proportional to 88,660.88, 133,016.16 and 38,745.44 is: 58,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.88 : 133,016.16 = 38,745.44 : x
  2. Step 2: Convert to fraction form
    88,660.88/133,016.16 = 38,745.44/x
  3. Step 3: Cross multiply
    88,660.88x = 133,016.16 × 38,745.44
  4. Step 4: Simplify right side
    88,660.88x = 5,153,769,646.31
  5. Step 5: Solve for x
    x = 5,153,769,646.31/88,660.88
  6. Step 6: Final answer
    x = 58,129.02

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1.5x scale

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.