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Finding the Fourth Proportional to 223,343.57, 335,023.22 and 71,545.26

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Solution

The fourth proportional to 223,343.57, 335,023.22 and 71,545.26 is: 107,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,343.57 : 335,023.22 = 71,545.26 : x
  2. Step 2: Convert to fraction form
    223,343.57/335,023.22 = 71,545.26/x
  3. Step 3: Cross multiply
    223,343.57x = 335,023.22 × 71,545.26
  4. Step 4: Simplify right side
    223,343.57x = 23,969,323,023.21
  5. Step 5: Solve for x
    x = 23,969,323,023.21/223,343.57
  6. Step 6: Final answer
    x = 107,320.41

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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.