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Finding the Fourth Proportional to 108,601.67, 149,874.36 and 60,853.25

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Solution

The fourth proportional to 108,601.67, 149,874.36 and 60,853.25 is: 83,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601.67 : 149,874.36 = 60,853.25 : x
  2. Step 2: Convert to fraction form
    108,601.67/149,874.36 = 60,853.25/x
  3. Step 3: Cross multiply
    108,601.67x = 149,874.36 × 60,853.25
  4. Step 4: Simplify right side
    108,601.67x = 9,120,341,897.67
  5. Step 5: Solve for x
    x = 9,120,341,897.67/108,601.67
  6. Step 6: Final answer
    x = 83,979.76

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1.5x scale

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.