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Finding the Fourth Proportional to 234,613.71, 351,969.78 and 101,512.89

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Solution

The fourth proportional to 234,613.71, 351,969.78 and 101,512.89 is: 152,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,613.71 : 351,969.78 = 101,512.89 : x
  2. Step 2: Convert to fraction form
    234,613.71/351,969.78 = 101,512.89/x
  3. Step 3: Cross multiply
    234,613.71x = 351,969.78 × 101,512.89
  4. Step 4: Simplify right side
    234,613.71x = 35,729,469,560.46
  5. Step 5: Solve for x
    x = 35,729,469,560.46/234,613.71
  6. Step 6: Final answer
    x = 152,290.63

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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.