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Finding the Fourth Proportional to 250,777.88, 376,188.68 and 63,789.38

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Solution

The fourth proportional to 250,777.88, 376,188.68 and 63,789.38 is: 95,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,777.88 : 376,188.68 = 63,789.38 : x
  2. Step 2: Convert to fraction form
    250,777.88/376,188.68 = 63,789.38/x
  3. Step 3: Cross multiply
    250,777.88x = 376,188.68 × 63,789.38
  4. Step 4: Simplify right side
    250,777.88x = 23,996,840,938.75
  5. Step 5: Solve for x
    x = 23,996,840,938.75/250,777.88
  6. Step 6: Final answer
    x = 95,689.63

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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.