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Finding the Fourth Proportional to 108,549.40, 162,699 and 41,960.20

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Solution

The fourth proportional to 108,549.40, 162,699 and 41,960.20 is: 62,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,549.40 : 162,699 = 41,960.20 : x
  2. Step 2: Convert to fraction form
    108,549.40/162,699 = 41,960.20/x
  3. Step 3: Cross multiply
    108,549.40x = 162,699 × 41,960.20
  4. Step 4: Simplify right side
    108,549.40x = 6,826,882,579.80
  5. Step 5: Solve for x
    x = 6,826,882,579.80/108,549.40
  6. Step 6: Final answer
    x = 62,891.94

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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.