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Finding the Fourth Proportional to 207,229.74, 310,433.06 and 159,679.86

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Solution

The fourth proportional to 207,229.74, 310,433.06 and 159,679.86 is: 239,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,229.74 : 310,433.06 = 159,679.86 : x
  2. Step 2: Convert to fraction form
    207,229.74/310,433.06 = 159,679.86/x
  3. Step 3: Cross multiply
    207,229.74x = 310,433.06 × 159,679.86
  4. Step 4: Simplify right side
    207,229.74x = 49,569,907,560.17
  5. Step 5: Solve for x
    x = 49,569,907,560.17/207,229.74
  6. Step 6: Final answer
    x = 239,202.67

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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.