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Finding the Fourth Proportional to 223,876.40, 335,620.20 and 135,035.60

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Solution

The fourth proportional to 223,876.40, 335,620.20 and 135,035.60 is: 202,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,876.40 : 335,620.20 = 135,035.60 : x
  2. Step 2: Convert to fraction form
    223,876.40/335,620.20 = 135,035.60/x
  3. Step 3: Cross multiply
    223,876.40x = 335,620.20 × 135,035.60
  4. Step 4: Simplify right side
    223,876.40x = 45,320,675,079.12
  5. Step 5: Solve for x
    x = 45,320,675,079.12/223,876.40
  6. Step 6: Final answer
    x = 202,436.14

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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.