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Finding the Fourth Proportional to 223,845.70, 335,793.15 and 74,031.42

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Solution

The fourth proportional to 223,845.70, 335,793.15 and 74,031.42 is: 111,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,845.70 : 335,793.15 = 74,031.42 : x
  2. Step 2: Convert to fraction form
    223,845.70/335,793.15 = 74,031.42/x
  3. Step 3: Cross multiply
    223,845.70x = 335,793.15 × 74,031.42
  4. Step 4: Simplify right side
    223,845.70x = 24,859,243,720.77
  5. Step 5: Solve for x
    x = 24,859,243,720.77/223,845.70
  6. Step 6: Final answer
    x = 111,055.27

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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.