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Finding the Fourth Proportional to 101,616.57, 140,254.20 and 67,626.50

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Solution

The fourth proportional to 101,616.57, 140,254.20 and 67,626.50 is: 93,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,616.57 : 140,254.20 = 67,626.50 : x
  2. Step 2: Convert to fraction form
    101,616.57/140,254.20 = 67,626.50/x
  3. Step 3: Cross multiply
    101,616.57x = 140,254.20 × 67,626.50
  4. Step 4: Simplify right side
    101,616.57x = 9,484,899,955.03
  5. Step 5: Solve for x
    x = 9,484,899,955.03/101,616.57
  6. Step 6: Final answer
    x = 93,340.09

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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.