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Finding the Fourth Proportional to 207,145.74, 285,792.39 and 168,839.42

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Solution

The fourth proportional to 207,145.74, 285,792.39 and 168,839.42 is: 232,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,145.74 : 285,792.39 = 168,839.42 : x
  2. Step 2: Convert to fraction form
    207,145.74/285,792.39 = 168,839.42/x
  3. Step 3: Cross multiply
    207,145.74x = 285,792.39 × 168,839.42
  4. Step 4: Simplify right side
    207,145.74x = 48,253,022,082.49
  5. Step 5: Solve for x
    x = 48,253,022,082.49/207,145.74
  6. Step 6: Final answer
    x = 232,942.38

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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.