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Finding the Fourth Proportional to 218,055.77, 327,083.66 and 68,297.30

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Solution

The fourth proportional to 218,055.77, 327,083.66 and 68,297.30 is: 102,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,055.77 : 327,083.66 = 68,297.30 : x
  2. Step 2: Convert to fraction form
    218,055.77/327,083.66 = 68,297.30/x
  3. Step 3: Cross multiply
    218,055.77x = 327,083.66 × 68,297.30
  4. Step 4: Simplify right side
    218,055.77x = 22,338,930,852.12
  5. Step 5: Solve for x
    x = 22,338,930,852.12/218,055.77
  6. Step 6: Final answer
    x = 102,445.95

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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.