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Finding the Fourth Proportional to 88,144.95, 132,269.96 and 31,989.44

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Solution

The fourth proportional to 88,144.95, 132,269.96 and 31,989.44 is: 48,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,144.95 : 132,269.96 = 31,989.44 : x
  2. Step 2: Convert to fraction form
    88,144.95/132,269.96 = 31,989.44/x
  3. Step 3: Cross multiply
    88,144.95x = 132,269.96 × 31,989.44
  4. Step 4: Simplify right side
    88,144.95x = 4,231,242,119.95
  5. Step 5: Solve for x
    x = 4,231,242,119.95/88,144.95
  6. Step 6: Final answer
    x = 48,003.23

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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.