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Finding the Fourth Proportional to 216,912.27, 325,247.70 and 67,110.06

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Solution

The fourth proportional to 216,912.27, 325,247.70 and 67,110.06 is: 100,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,912.27 : 325,247.70 = 67,110.06 : x
  2. Step 2: Convert to fraction form
    216,912.27/325,247.70 = 67,110.06/x
  3. Step 3: Cross multiply
    216,912.27x = 325,247.70 × 67,110.06
  4. Step 4: Simplify right side
    216,912.27x = 21,827,392,661.86
  5. Step 5: Solve for x
    x = 21,827,392,661.86/216,912.27
  6. Step 6: Final answer
    x = 100,627.75

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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.