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Finding the Fourth Proportional to 251,774.56, 377,741.22 and 118,649.44

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Solution

The fourth proportional to 251,774.56, 377,741.22 and 118,649.44 is: 178,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,774.56 : 377,741.22 = 118,649.44 : x
  2. Step 2: Convert to fraction form
    251,774.56/377,741.22 = 118,649.44/x
  3. Step 3: Cross multiply
    251,774.56x = 377,741.22 × 118,649.44
  4. Step 4: Simplify right side
    251,774.56x = 44,818,784,217.92
  5. Step 5: Solve for x
    x = 44,818,784,217.92/251,774.56
  6. Step 6: Final answer
    x = 178,011.57

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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.