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Finding the Fourth Proportional to 234,652.46, 324,087.68 and 159,069.74

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Solution

The fourth proportional to 234,652.46, 324,087.68 and 159,069.74 is: 219,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,652.46 : 324,087.68 = 159,069.74 : x
  2. Step 2: Convert to fraction form
    234,652.46/324,087.68 = 159,069.74/x
  3. Step 3: Cross multiply
    234,652.46x = 324,087.68 × 159,069.74
  4. Step 4: Simplify right side
    234,652.46x = 51,552,542,994.80
  5. Step 5: Solve for x
    x = 51,552,542,994.80/234,652.46
  6. Step 6: Final answer
    x = 219,697.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.