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Finding the Fourth Proportional to 194,876.88, 268,830.84 and 118,375.56

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Solution

The fourth proportional to 194,876.88, 268,830.84 and 118,375.56 is: 163,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,876.88 : 268,830.84 = 118,375.56 : x
  2. Step 2: Convert to fraction form
    194,876.88/268,830.84 = 118,375.56/x
  3. Step 3: Cross multiply
    194,876.88x = 268,830.84 × 118,375.56
  4. Step 4: Simplify right side
    194,876.88x = 31,823,001,230.27
  5. Step 5: Solve for x
    x = 31,823,001,230.27/194,876.88
  6. Step 6: Final answer
    x = 163,297.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.