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Finding the Fourth Proportional to 188,781.28, 282,839.70 and 177,543.54

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Solution

The fourth proportional to 188,781.28, 282,839.70 and 177,543.54 is: 266,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,781.28 : 282,839.70 = 177,543.54 : x
  2. Step 2: Convert to fraction form
    188,781.28/282,839.70 = 177,543.54/x
  3. Step 3: Cross multiply
    188,781.28x = 282,839.70 × 177,543.54
  4. Step 4: Simplify right side
    188,781.28x = 50,216,361,590.54
  5. Step 5: Solve for x
    x = 50,216,361,590.54/188,781.28
  6. Step 6: Final answer
    x = 266,002.87

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1.5x scale

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.