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Finding the Fourth Proportional to 108,668.82, 149,960.73 and 60,262.94

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Solution

The fourth proportional to 108,668.82, 149,960.73 and 60,262.94 is: 83,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,668.82 : 149,960.73 = 60,262.94 : x
  2. Step 2: Convert to fraction form
    108,668.82/149,960.73 = 60,262.94/x
  3. Step 3: Cross multiply
    108,668.82x = 149,960.73 × 60,262.94
  4. Step 4: Simplify right side
    108,668.82x = 9,037,074,474.35
  5. Step 5: Solve for x
    x = 9,037,074,474.35/108,668.82
  6. Step 6: Final answer
    x = 83,161.61

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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.