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Finding the Fourth Proportional to 110,112.62, 151,968.02 and 61,727.61

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Solution

The fourth proportional to 110,112.62, 151,968.02 and 61,727.61 is: 85,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,112.62 : 151,968.02 = 61,727.61 : x
  2. Step 2: Convert to fraction form
    110,112.62/151,968.02 = 61,727.61/x
  3. Step 3: Cross multiply
    110,112.62x = 151,968.02 × 61,727.61
  4. Step 4: Simplify right side
    110,112.62x = 9,380,622,671.03
  5. Step 5: Solve for x
    x = 9,380,622,671.03/110,112.62
  6. Step 6: Final answer
    x = 85,191.17

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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.