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Finding the Fourth Proportional to 110,841, 152,961.39 and 60,540

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Solution

The fourth proportional to 110,841, 152,961.39 and 60,540 is: 83,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,841 : 152,961.39 = 60,540 : x
  2. Step 2: Convert to fraction form
    110,841/152,961.39 = 60,540/x
  3. Step 3: Cross multiply
    110,841x = 152,961.39 × 60,540
  4. Step 4: Simplify right side
    110,841x = 9,260,282,550.60
  5. Step 5: Solve for x
    x = 9,260,282,550.60/110,841
  6. Step 6: Final answer
    x = 83,545.64

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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.