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Finding the Fourth Proportional to 227,306.39, 340,947.27 and 69,534.86

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Solution

The fourth proportional to 227,306.39, 340,947.27 and 69,534.86 is: 104,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,306.39 : 340,947.27 = 69,534.86 : x
  2. Step 2: Convert to fraction form
    227,306.39/340,947.27 = 69,534.86/x
  3. Step 3: Cross multiply
    227,306.39x = 340,947.27 × 69,534.86
  4. Step 4: Simplify right side
    227,306.39x = 23,707,718,982.10
  5. Step 5: Solve for x
    x = 23,707,718,982.10/227,306.39
  6. Step 6: Final answer
    x = 104,298.52

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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.