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Finding the Fourth Proportional to 216,994.69, 325,475.83 and 67,236.13

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Solution

The fourth proportional to 216,994.69, 325,475.83 and 67,236.13 is: 100,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,994.69 : 325,475.83 = 67,236.13 : x
  2. Step 2: Convert to fraction form
    216,994.69/325,475.83 = 67,236.13/x
  3. Step 3: Cross multiply
    216,994.69x = 325,475.83 × 67,236.13
  4. Step 4: Simplify right side
    216,994.69x = 21,883,735,217.74
  5. Step 5: Solve for x
    x = 21,883,735,217.74/216,994.69
  6. Step 6: Final answer
    x = 100,849.17

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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.