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Finding the Fourth Proportional to 354,052.29, 531,154.11 and 114,179.85

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Solution

The fourth proportional to 354,052.29, 531,154.11 and 114,179.85 is: 171,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,052.29 : 531,154.11 = 114,179.85 : x
  2. Step 2: Convert to fraction form
    354,052.29/531,154.11 = 114,179.85/x
  3. Step 3: Cross multiply
    354,052.29x = 531,154.11 × 114,179.85
  4. Step 4: Simplify right side
    354,052.29x = 60,647,096,606.68
  5. Step 5: Solve for x
    x = 60,647,096,606.68/354,052.29
  6. Step 6: Final answer
    x = 171,294.18

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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.