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Finding the Fourth Proportional to 227,202.76, 340,800.12 and 67,277.92

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Solution

The fourth proportional to 227,202.76, 340,800.12 and 67,277.92 is: 100,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,202.76 : 340,800.12 = 67,277.92 : x
  2. Step 2: Convert to fraction form
    227,202.76/340,800.12 = 67,277.92/x
  3. Step 3: Cross multiply
    227,202.76x = 340,800.12 × 67,277.92
  4. Step 4: Simplify right side
    227,202.76x = 22,928,323,209.35
  5. Step 5: Solve for x
    x = 22,928,323,209.35/227,202.76
  6. Step 6: Final answer
    x = 100,915.69

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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.