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Finding the Fourth Proportional to 101,620.11, 140,259.07 and 67,630.02

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Solution

The fourth proportional to 101,620.11, 140,259.07 and 67,630.02 is: 93,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,620.11 : 140,259.07 = 67,630.02 : x
  2. Step 2: Convert to fraction form
    101,620.11/140,259.07 = 67,630.02/x
  3. Step 3: Cross multiply
    101,620.11x = 140,259.07 × 67,630.02
  4. Step 4: Simplify right side
    101,620.11x = 9,485,723,709.28
  5. Step 5: Solve for x
    x = 9,485,723,709.28/101,620.11
  6. Step 6: Final answer
    x = 93,344.95

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1.5x scale

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.