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Finding the Fourth Proportional to 235,948.68, 325,680.32 and 160,540.92

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Solution

The fourth proportional to 235,948.68, 325,680.32 and 160,540.92 is: 221,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,948.68 : 325,680.32 = 160,540.92 : x
  2. Step 2: Convert to fraction form
    235,948.68/325,680.32 = 160,540.92/x
  3. Step 3: Cross multiply
    235,948.68x = 325,680.32 × 160,540.92
  4. Step 4: Simplify right side
    235,948.68x = 52,285,018,198.69
  5. Step 5: Solve for x
    x = 52,285,018,198.69/235,948.68
  6. Step 6: Final answer
    x = 221,594.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.