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Finding the Fourth Proportional to 252,959.96, 379,635.78 and 95,331.80

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Solution

The fourth proportional to 252,959.96, 379,635.78 and 95,331.80 is: 143,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,959.96 : 379,635.78 = 95,331.80 : x
  2. Step 2: Convert to fraction form
    252,959.96/379,635.78 = 95,331.80/x
  3. Step 3: Cross multiply
    252,959.96x = 379,635.78 × 95,331.80
  4. Step 4: Simplify right side
    252,959.96x = 36,191,362,251.80
  5. Step 5: Solve for x
    x = 36,191,362,251.80/252,959.96
  6. Step 6: Final answer
    x = 143,071.51

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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.