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Finding the Fourth Proportional to 223,791.30, 335,687.06 and 74,031.59

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Solution

The fourth proportional to 223,791.30, 335,687.06 and 74,031.59 is: 111,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,791.30 : 335,687.06 = 74,031.59 : x
  2. Step 2: Convert to fraction form
    223,791.30/335,687.06 = 74,031.59/x
  3. Step 3: Cross multiply
    223,791.30x = 335,687.06 × 74,031.59
  4. Step 4: Simplify right side
    223,791.30x = 24,851,446,445.30
  5. Step 5: Solve for x
    x = 24,851,446,445.30/223,791.30
  6. Step 6: Final answer
    x = 111,047.42

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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.