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Finding the Fourth Proportional to 102,791.52, 154,208.88 and 36,233.28

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Solution

The fourth proportional to 102,791.52, 154,208.88 and 36,233.28 is: 54,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.52 : 154,208.88 = 36,233.28 : x
  2. Step 2: Convert to fraction form
    102,791.52/154,208.88 = 36,233.28/x
  3. Step 3: Cross multiply
    102,791.52x = 154,208.88 × 36,233.28
  4. Step 4: Simplify right side
    102,791.52x = 5,587,493,527.53
  5. Step 5: Solve for x
    x = 5,587,493,527.53/102,791.52
  6. Step 6: Final answer
    x = 54,357.53

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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.