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Finding the Fourth Proportional to 223,849.20, 335,773.80 and 194,689.20

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Solution

The fourth proportional to 223,849.20, 335,773.80 and 194,689.20 is: 292,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,849.20 : 335,773.80 = 194,689.20 : x
  2. Step 2: Convert to fraction form
    223,849.20/335,773.80 = 194,689.20/x
  3. Step 3: Cross multiply
    223,849.20x = 335,773.80 × 194,689.20
  4. Step 4: Simplify right side
    223,849.20x = 65,371,532,502.96
  5. Step 5: Solve for x
    x = 65,371,532,502.96/223,849.20
  6. Step 6: Final answer
    x = 292,033.80

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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.