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Finding the Fourth Proportional to 149,847.10, 224,770.65 and 79,863.10

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Solution

The fourth proportional to 149,847.10, 224,770.65 and 79,863.10 is: 119,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,847.10 : 224,770.65 = 79,863.10 : x
  2. Step 2: Convert to fraction form
    149,847.10/224,770.65 = 79,863.10/x
  3. Step 3: Cross multiply
    149,847.10x = 224,770.65 × 79,863.10
  4. Step 4: Simplify right side
    149,847.10x = 17,950,880,898.02
  5. Step 5: Solve for x
    x = 17,950,880,898.02/149,847.10
  6. Step 6: Final answer
    x = 119,794.65

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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.