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Finding the Fourth Proportional to 168,514.56, 252,432.72 and 79,853.56

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Solution

The fourth proportional to 168,514.56, 252,432.72 and 79,853.56 is: 119,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,514.56 : 252,432.72 = 79,853.56 : x
  2. Step 2: Convert to fraction form
    168,514.56/252,432.72 = 79,853.56/x
  3. Step 3: Cross multiply
    168,514.56x = 252,432.72 × 79,853.56
  4. Step 4: Simplify right side
    168,514.56x = 20,157,651,352.48
  5. Step 5: Solve for x
    x = 20,157,651,352.48/168,514.56
  6. Step 6: Final answer
    x = 119,619.64

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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.