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Finding the Fourth Proportional to 67,551.83, 101,332.84 and 20,163.18

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Solution

The fourth proportional to 67,551.83, 101,332.84 and 20,163.18 is: 30,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,551.83 : 101,332.84 = 20,163.18 : x
  2. Step 2: Convert to fraction form
    67,551.83/101,332.84 = 20,163.18/x
  3. Step 3: Cross multiply
    67,551.83x = 101,332.84 × 20,163.18
  4. Step 4: Simplify right side
    67,551.83x = 2,043,192,292.83
  5. Step 5: Solve for x
    x = 2,043,192,292.83/67,551.83
  6. Step 6: Final answer
    x = 30,246.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.