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Finding the Fourth Proportional to 218,080.22, 327,120.22 and 68,332.28

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Solution

The fourth proportional to 218,080.22, 327,120.22 and 68,332.28 is: 102,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,080.22 : 327,120.22 = 68,332.28 : x
  2. Step 2: Convert to fraction form
    218,080.22/327,120.22 = 68,332.28/x
  3. Step 3: Cross multiply
    218,080.22x = 327,120.22 × 68,332.28
  4. Step 4: Simplify right side
    218,080.22x = 22,352,871,369.92
  5. Step 5: Solve for x
    x = 22,352,871,369.92/218,080.22
  6. Step 6: Final answer
    x = 102,498.39

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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.