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Finding the Fourth Proportional to 111,897.20, 167,806.68 and 32,990.48

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Solution

The fourth proportional to 111,897.20, 167,806.68 and 32,990.48 is: 49,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.20 : 167,806.68 = 32,990.48 : x
  2. Step 2: Convert to fraction form
    111,897.20/167,806.68 = 32,990.48/x
  3. Step 3: Cross multiply
    111,897.20x = 167,806.68 × 32,990.48
  4. Step 4: Simplify right side
    111,897.20x = 5,536,022,920.41
  5. Step 5: Solve for x
    x = 5,536,022,920.41/111,897.20
  6. Step 6: Final answer
    x = 49,474.19

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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.