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Finding the Fourth Proportional to 217,027.52, 325,751.70 and 104,786.90

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Solution

The fourth proportional to 217,027.52, 325,751.70 and 104,786.90 is: 157,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,027.52 : 325,751.70 = 104,786.90 : x
  2. Step 2: Convert to fraction form
    217,027.52/325,751.70 = 104,786.90/x
  3. Step 3: Cross multiply
    217,027.52x = 325,751.70 × 104,786.90
  4. Step 4: Simplify right side
    217,027.52x = 34,134,510,812.73
  5. Step 5: Solve for x
    x = 34,134,510,812.73/217,027.52
  6. Step 6: Final answer
    x = 157,281.95

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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.