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Finding the Fourth Proportional to 218,362.68, 327,548.07 and 68,600.16

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Solution

The fourth proportional to 218,362.68, 327,548.07 and 68,600.16 is: 102,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,362.68 : 327,548.07 = 68,600.16 : x
  2. Step 2: Convert to fraction form
    218,362.68/327,548.07 = 68,600.16/x
  3. Step 3: Cross multiply
    218,362.68x = 327,548.07 × 68,600.16
  4. Step 4: Simplify right side
    218,362.68x = 22,469,850,009.69
  5. Step 5: Solve for x
    x = 22,469,850,009.69/218,362.68
  6. Step 6: Final answer
    x = 102,901.51

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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.