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Finding the Fourth Proportional to 253,290.38, 379,935.50 and 95,481.93

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Solution

The fourth proportional to 253,290.38, 379,935.50 and 95,481.93 is: 143,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,290.38 : 379,935.50 = 95,481.93 : x
  2. Step 2: Convert to fraction form
    253,290.38/379,935.50 = 95,481.93/x
  3. Step 3: Cross multiply
    253,290.38x = 379,935.50 × 95,481.93
  4. Step 4: Simplify right side
    253,290.38x = 36,276,972,438.43
  5. Step 5: Solve for x
    x = 36,276,972,438.43/253,290.38
  6. Step 6: Final answer
    x = 143,222.86

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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.