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Finding the Fourth Proportional to 207,212.96, 285,951.03 and 116,568.90

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Solution

The fourth proportional to 207,212.96, 285,951.03 and 116,568.90 is: 160,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,212.96 : 285,951.03 = 116,568.90 : x
  2. Step 2: Convert to fraction form
    207,212.96/285,951.03 = 116,568.90/x
  3. Step 3: Cross multiply
    207,212.96x = 285,951.03 × 116,568.90
  4. Step 4: Simplify right side
    207,212.96x = 33,332,995,591.21
  5. Step 5: Solve for x
    x = 33,332,995,591.21/207,212.96
  6. Step 6: Final answer
    x = 160,863.47

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1.5x scale

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.