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Finding the Fourth Proportional to 89,781.96, 134,675.22 and 37,177.32

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Solution

The fourth proportional to 89,781.96, 134,675.22 and 37,177.32 is: 55,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,781.96 : 134,675.22 = 37,177.32 : x
  2. Step 2: Convert to fraction form
    89,781.96/134,675.22 = 37,177.32/x
  3. Step 3: Cross multiply
    89,781.96x = 134,675.22 × 37,177.32
  4. Step 4: Simplify right side
    89,781.96x = 5,006,863,750.01
  5. Step 5: Solve for x
    x = 5,006,863,750.01/89,781.96
  6. Step 6: Final answer
    x = 55,766.92

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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.