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Finding the Fourth Proportional to 48,781.88, 73,187.55 and 23,155.88

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Solution

The fourth proportional to 48,781.88, 73,187.55 and 23,155.88 is: 34,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.88 : 73,187.55 = 23,155.88 : x
  2. Step 2: Convert to fraction form
    48,781.88/73,187.55 = 23,155.88/x
  3. Step 3: Cross multiply
    48,781.88x = 73,187.55 × 23,155.88
  4. Step 4: Simplify right side
    48,781.88x = 1,694,721,759.36
  5. Step 5: Solve for x
    x = 1,694,721,759.36/48,781.88
  6. Step 6: Final answer
    x = 34,740.81

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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.