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Finding the Fourth Proportional to 203,770.62, 305,699.04 and 61,626.51

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Solution

The fourth proportional to 203,770.62, 305,699.04 and 61,626.51 is: 92,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,770.62 : 305,699.04 = 61,626.51 : x
  2. Step 2: Convert to fraction form
    203,770.62/305,699.04 = 61,626.51/x
  3. Step 3: Cross multiply
    203,770.62x = 305,699.04 × 61,626.51
  4. Step 4: Simplify right side
    203,770.62x = 18,839,164,945.55
  5. Step 5: Solve for x
    x = 18,839,164,945.55/203,770.62
  6. Step 6: Final answer
    x = 92,452.80

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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.