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Finding the Fourth Proportional to 110,205.25, 152,099.87 and 67,209.69

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Solution

The fourth proportional to 110,205.25, 152,099.87 and 67,209.69 is: 92,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,205.25 : 152,099.87 = 67,209.69 : x
  2. Step 2: Convert to fraction form
    110,205.25/152,099.87 = 67,209.69/x
  3. Step 3: Cross multiply
    110,205.25x = 152,099.87 × 67,209.69
  4. Step 4: Simplify right side
    110,205.25x = 10,222,585,111.74
  5. Step 5: Solve for x
    x = 10,222,585,111.74/110,205.25
  6. Step 6: Final answer
    x = 92,759.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.