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Finding the Fourth Proportional to 168,409.74, 252,613.65 and 42,049.74

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Solution

The fourth proportional to 168,409.74, 252,613.65 and 42,049.74 is: 63,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409.74 : 252,613.65 = 42,049.74 : x
  2. Step 2: Convert to fraction form
    168,409.74/252,613.65 = 42,049.74/x
  3. Step 3: Cross multiply
    168,409.74x = 252,613.65 × 42,049.74
  4. Step 4: Simplify right side
    168,409.74x = 10,622,338,302.95
  5. Step 5: Solve for x
    x = 10,622,338,302.95/168,409.74
  6. Step 6: Final answer
    x = 63,074.37

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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.