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Finding the Fourth Proportional to 177,812.20, 266,791.20 and 65,546.20

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Solution

The fourth proportional to 177,812.20, 266,791.20 and 65,546.20 is: 98,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,812.20 : 266,791.20 = 65,546.20 : x
  2. Step 2: Convert to fraction form
    177,812.20/266,791.20 = 65,546.20/x
  3. Step 3: Cross multiply
    177,812.20x = 266,791.20 × 65,546.20
  4. Step 4: Simplify right side
    177,812.20x = 17,487,149,353.44
  5. Step 5: Solve for x
    x = 17,487,149,353.44/177,812.20
  6. Step 6: Final answer
    x = 98,346.17

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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.