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Finding the Fourth Proportional to 101,616.07, 140,253.51 and 67,626

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Solution

The fourth proportional to 101,616.07, 140,253.51 and 67,626 is: 93,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,616.07 : 140,253.51 = 67,626 : x
  2. Step 2: Convert to fraction form
    101,616.07/140,253.51 = 67,626/x
  3. Step 3: Cross multiply
    101,616.07x = 140,253.51 × 67,626
  4. Step 4: Simplify right side
    101,616.07x = 9,484,783,867.26
  5. Step 5: Solve for x
    x = 9,484,783,867.26/101,616.07
  6. Step 6: Final answer
    x = 93,339.41

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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.