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Finding the Fourth Proportional to 216,993.19, 325,473.59 and 67,234.63

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Solution

The fourth proportional to 216,993.19, 325,473.59 and 67,234.63 is: 100,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,993.19 : 325,473.59 = 67,234.63 : x
  2. Step 2: Convert to fraction form
    216,993.19/325,473.59 = 67,234.63/x
  3. Step 3: Cross multiply
    216,993.19x = 325,473.59 × 67,234.63
  4. Step 4: Simplify right side
    216,993.19x = 21,883,096,062.25
  5. Step 5: Solve for x
    x = 21,883,096,062.25/216,993.19
  6. Step 6: Final answer
    x = 100,846.93

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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.