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Finding the Fourth Proportional to 111,998.17, 167,912.76 and 67,614.37

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Solution

The fourth proportional to 111,998.17, 167,912.76 and 67,614.37 is: 101,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,998.17 : 167,912.76 = 67,614.37 : x
  2. Step 2: Convert to fraction form
    111,998.17/167,912.76 = 67,614.37/x
  3. Step 3: Cross multiply
    111,998.17x = 167,912.76 × 67,614.37
  4. Step 4: Simplify right side
    111,998.17x = 11,353,315,482.36
  5. Step 5: Solve for x
    x = 11,353,315,482.36/111,998.17
  6. Step 6: Final answer
    x = 101,370.54

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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.