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Finding the Fourth Proportional to 217,393.96, 326,104.86 and 75,252.92

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Solution

The fourth proportional to 217,393.96, 326,104.86 and 75,252.92 is: 112,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,393.96 : 326,104.86 = 75,252.92 : x
  2. Step 2: Convert to fraction form
    217,393.96/326,104.86 = 75,252.92/x
  3. Step 3: Cross multiply
    217,393.96x = 326,104.86 × 75,252.92
  4. Step 4: Simplify right side
    217,393.96x = 24,540,342,941.19
  5. Step 5: Solve for x
    x = 24,540,342,941.19/217,393.96
  6. Step 6: Final answer
    x = 112,884.20

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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.