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Finding the Fourth Proportional to 203,496.10, 305,239.35 and 55,752.10

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Solution

The fourth proportional to 203,496.10, 305,239.35 and 55,752.10 is: 83,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.10 : 305,239.35 = 55,752.10 : x
  2. Step 2: Convert to fraction form
    203,496.10/305,239.35 = 55,752.10/x
  3. Step 3: Cross multiply
    203,496.10x = 305,239.35 × 55,752.10
  4. Step 4: Simplify right side
    203,496.10x = 17,017,734,765.14
  5. Step 5: Solve for x
    x = 17,017,734,765.14/203,496.10
  6. Step 6: Final answer
    x = 83,626.83

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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.