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Finding the Fourth Proportional to 55,168.44, 82,752.83 and 15,187.95

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Solution

The fourth proportional to 55,168.44, 82,752.83 and 15,187.95 is: 22,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.44 : 82,752.83 = 15,187.95 : x
  2. Step 2: Convert to fraction form
    55,168.44/82,752.83 = 15,187.95/x
  3. Step 3: Cross multiply
    55,168.44x = 82,752.83 × 15,187.95
  4. Step 4: Simplify right side
    55,168.44x = 1,256,845,768.46
  5. Step 5: Solve for x
    x = 1,256,845,768.46/55,168.44
  6. Step 6: Final answer
    x = 22,781.97

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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.