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Finding the Fourth Proportional to 108,441.65, 149,649.46 and 60,695

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Solution

The fourth proportional to 108,441.65, 149,649.46 and 60,695 is: 83,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,441.65 : 149,649.46 = 60,695 : x
  2. Step 2: Convert to fraction form
    108,441.65/149,649.46 = 60,695/x
  3. Step 3: Cross multiply
    108,441.65x = 149,649.46 × 60,695
  4. Step 4: Simplify right side
    108,441.65x = 9,082,973,974.70
  5. Step 5: Solve for x
    x = 9,082,973,974.70/108,441.65
  6. Step 6: Final answer
    x = 83,759.09

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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.