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Finding the Fourth Proportional to 60,949.77, 91,162.22 and 54,242.97

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Solution

The fourth proportional to 60,949.77, 91,162.22 and 54,242.97 is: 81,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,949.77 : 91,162.22 = 54,242.97 : x
  2. Step 2: Convert to fraction form
    60,949.77/91,162.22 = 54,242.97/x
  3. Step 3: Cross multiply
    60,949.77x = 91,162.22 × 54,242.97
  4. Step 4: Simplify right side
    60,949.77x = 4,944,909,293.38
  5. Step 5: Solve for x
    x = 4,944,909,293.38/60,949.77
  6. Step 6: Final answer
    x = 81,130.89

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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.