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Finding the Fourth Proportional to 251,294.56, 376,942.08 and 118,077.12

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Solution

The fourth proportional to 251,294.56, 376,942.08 and 118,077.12 is: 177,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,294.56 : 376,942.08 = 118,077.12 : x
  2. Step 2: Convert to fraction form
    251,294.56/376,942.08 = 118,077.12/x
  3. Step 3: Cross multiply
    251,294.56x = 376,942.08 × 118,077.12
  4. Step 4: Simplify right side
    251,294.56x = 44,508,235,213.21
  5. Step 5: Solve for x
    x = 44,508,235,213.21/251,294.56
  6. Step 6: Final answer
    x = 177,115.79

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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.