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Finding the Fourth Proportional to 88,791.44, 133,186.68 and 36,200.72

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Solution

The fourth proportional to 88,791.44, 133,186.68 and 36,200.72 is: 54,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,791.44 : 133,186.68 = 36,200.72 : x
  2. Step 2: Convert to fraction form
    88,791.44/133,186.68 = 36,200.72/x
  3. Step 3: Cross multiply
    88,791.44x = 133,186.68 × 36,200.72
  4. Step 4: Simplify right side
    88,791.44x = 4,821,453,710.41
  5. Step 5: Solve for x
    x = 4,821,453,710.41/88,791.44
  6. Step 6: Final answer
    x = 54,300.88

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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.