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Finding the Fourth Proportional to 223,503.60, 335,255.40 and 83,233.20

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Solution

The fourth proportional to 223,503.60, 335,255.40 and 83,233.20 is: 124,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,503.60 : 335,255.40 = 83,233.20 : x
  2. Step 2: Convert to fraction form
    223,503.60/335,255.40 = 83,233.20/x
  3. Step 3: Cross multiply
    223,503.60x = 335,255.40 × 83,233.20
  4. Step 4: Simplify right side
    223,503.60x = 27,904,379,759.28
  5. Step 5: Solve for x
    x = 27,904,379,759.28/223,503.60
  6. Step 6: Final answer
    x = 124,849.80

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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.