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Finding the Fourth Proportional to 216,994.14, 325,537.68 and 67,231.11

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Solution

The fourth proportional to 216,994.14, 325,537.68 and 67,231.11 is: 100,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,994.14 : 325,537.68 = 67,231.11 : x
  2. Step 2: Convert to fraction form
    216,994.14/325,537.68 = 67,231.11/x
  3. Step 3: Cross multiply
    216,994.14x = 325,537.68 × 67,231.11
  4. Step 4: Simplify right side
    216,994.14x = 21,886,261,046.11
  5. Step 5: Solve for x
    x = 21,886,261,046.11/216,994.14
  6. Step 6: Final answer
    x = 100,861.07

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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.