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Finding the Fourth Proportional to 253,107.42, 379,687.05 and 95,468.46

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Solution

The fourth proportional to 253,107.42, 379,687.05 and 95,468.46 is: 143,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,107.42 : 379,687.05 = 95,468.46 : x
  2. Step 2: Convert to fraction form
    253,107.42/379,687.05 = 95,468.46/x
  3. Step 3: Cross multiply
    253,107.42x = 379,687.05 × 95,468.46
  4. Step 4: Simplify right side
    253,107.42x = 36,248,137,945.44
  5. Step 5: Solve for x
    x = 36,248,137,945.44/253,107.42
  6. Step 6: Final answer
    x = 143,212.47

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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.