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Finding the Fourth Proportional to 367,439.52, 550,944.78 and 142,537.16

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Solution

The fourth proportional to 367,439.52, 550,944.78 and 142,537.16 is: 213,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,439.52 : 550,944.78 = 142,537.16 : x
  2. Step 2: Convert to fraction form
    367,439.52/550,944.78 = 142,537.16/x
  3. Step 3: Cross multiply
    367,439.52x = 550,944.78 × 142,537.16
  4. Step 4: Simplify right side
    367,439.52x = 78,530,104,258.02
  5. Step 5: Solve for x
    x = 78,530,104,258.02/367,439.52
  6. Step 6: Final answer
    x = 213,722.53

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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.