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Finding the Fourth Proportional to 265,867.92, 398,189.52 and 132,334.56

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Solution

The fourth proportional to 265,867.92, 398,189.52 and 132,334.56 is: 198,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,867.92 : 398,189.52 = 132,334.56 : x
  2. Step 2: Convert to fraction form
    265,867.92/398,189.52 = 132,334.56/x
  3. Step 3: Cross multiply
    265,867.92x = 398,189.52 × 132,334.56
  4. Step 4: Simplify right side
    265,867.92x = 52,694,234,925.81
  5. Step 5: Solve for x
    x = 52,694,234,925.81/265,867.92
  6. Step 6: Final answer
    x = 198,197.04

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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.