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Finding the Fourth Proportional to 207,343.97, 285,735.17 and 150,665.57

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Solution

The fourth proportional to 207,343.97, 285,735.17 and 150,665.57 is: 207,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,343.97 : 285,735.17 = 150,665.57 : x
  2. Step 2: Convert to fraction form
    207,343.97/285,735.17 = 150,665.57/x
  3. Step 3: Cross multiply
    207,343.97x = 285,735.17 × 150,665.57
  4. Step 4: Simplify right side
    207,343.97x = 43,050,451,503.77
  5. Step 5: Solve for x
    x = 43,050,451,503.77/207,343.97
  6. Step 6: Final answer
    x = 207,628.18

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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.