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Finding the Fourth Proportional to 218,560.12, 301,620.42 and 127,924.52

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Solution

The fourth proportional to 218,560.12, 301,620.42 and 127,924.52 is: 176,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,560.12 : 301,620.42 = 127,924.52 : x
  2. Step 2: Convert to fraction form
    218,560.12/301,620.42 = 127,924.52/x
  3. Step 3: Cross multiply
    218,560.12x = 301,620.42 × 127,924.52
  4. Step 4: Simplify right side
    218,560.12x = 38,584,647,450.70
  5. Step 5: Solve for x
    x = 38,584,647,450.70/218,560.12
  6. Step 6: Final answer
    x = 176,540.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.