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Finding the Fourth Proportional to 223,042.20, 334,452.60 and 80,881.80

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Solution

The fourth proportional to 223,042.20, 334,452.60 and 80,881.80 is: 121,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,042.20 : 334,452.60 = 80,881.80 : x
  2. Step 2: Convert to fraction form
    223,042.20/334,452.60 = 80,881.80/x
  3. Step 3: Cross multiply
    223,042.20x = 334,452.60 × 80,881.80
  4. Step 4: Simplify right side
    223,042.20x = 27,051,128,302.68
  5. Step 5: Solve for x
    x = 27,051,128,302.68/223,042.20
  6. Step 6: Final answer
    x = 121,282.56

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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.