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Finding the Fourth Proportional to 108,083.70, 149,140.08 and 60,336

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Solution

The fourth proportional to 108,083.70, 149,140.08 and 60,336 is: 83,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,083.70 : 149,140.08 = 60,336 : x
  2. Step 2: Convert to fraction form
    108,083.70/149,140.08 = 60,336/x
  3. Step 3: Cross multiply
    108,083.70x = 149,140.08 × 60,336
  4. Step 4: Simplify right side
    108,083.70x = 8,998,515,866.88
  5. Step 5: Solve for x
    x = 8,998,515,866.88/108,083.70
  6. Step 6: Final answer
    x = 83,255.07

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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.