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Finding the Fourth Proportional to 235,734.56, 353,613.52 and 67,279.74

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Solution

The fourth proportional to 235,734.56, 353,613.52 and 67,279.74 is: 100,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,734.56 : 353,613.52 = 67,279.74 : x
  2. Step 2: Convert to fraction form
    235,734.56/353,613.52 = 67,279.74/x
  3. Step 3: Cross multiply
    235,734.56x = 353,613.52 × 67,279.74
  4. Step 4: Simplify right side
    235,734.56x = 23,791,025,686.08
  5. Step 5: Solve for x
    x = 23,791,025,686.08/235,734.56
  6. Step 6: Final answer
    x = 100,922.94

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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.