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Finding the Fourth Proportional to 223,103.26, 334,658.94 and 81,049.42

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Solution

The fourth proportional to 223,103.26, 334,658.94 and 81,049.42 is: 121,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,103.26 : 334,658.94 = 81,049.42 : x
  2. Step 2: Convert to fraction form
    223,103.26/334,658.94 = 81,049.42/x
  3. Step 3: Cross multiply
    223,103.26x = 334,658.94 × 81,049.42
  4. Step 4: Simplify right side
    223,103.26x = 27,123,912,984.81
  5. Step 5: Solve for x
    x = 27,123,912,984.81/223,103.26
  6. Step 6: Final answer
    x = 121,575.60

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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.