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Finding the Fourth Proportional to 252,850.74, 379,331.51 and 95,079.20

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Solution

The fourth proportional to 252,850.74, 379,331.51 and 95,079.20 is: 142,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,850.74 : 379,331.51 = 95,079.20 : x
  2. Step 2: Convert to fraction form
    252,850.74/379,331.51 = 95,079.20/x
  3. Step 3: Cross multiply
    252,850.74x = 379,331.51 × 95,079.20
  4. Step 4: Simplify right side
    252,850.74x = 36,066,534,133.54
  5. Step 5: Solve for x
    x = 36,066,534,133.54/252,850.74
  6. Step 6: Final answer
    x = 142,639.62

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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.