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Finding the Fourth Proportional to 118,092.20, 177,168.27 and 34,986.20

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Solution

The fourth proportional to 118,092.20, 177,168.27 and 34,986.20 is: 52,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,092.20 : 177,168.27 = 34,986.20 : x
  2. Step 2: Convert to fraction form
    118,092.20/177,168.27 = 34,986.20/x
  3. Step 3: Cross multiply
    118,092.20x = 177,168.27 × 34,986.20
  4. Step 4: Simplify right side
    118,092.20x = 6,198,443,642.03
  5. Step 5: Solve for x
    x = 6,198,443,642.03/118,092.20
  6. Step 6: Final answer
    x = 52,488.17

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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.