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Finding the Fourth Proportional to 168,613.70, 252,920.55 and 43,954.70

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Solution

The fourth proportional to 168,613.70, 252,920.55 and 43,954.70 is: 65,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,613.70 : 252,920.55 = 43,954.70 : x
  2. Step 2: Convert to fraction form
    168,613.70/252,920.55 = 43,954.70/x
  3. Step 3: Cross multiply
    168,613.70x = 252,920.55 × 43,954.70
  4. Step 4: Simplify right side
    168,613.70x = 11,117,046,899.09
  5. Step 5: Solve for x
    x = 11,117,046,899.09/168,613.70
  6. Step 6: Final answer
    x = 65,932.05

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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.