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Finding the Fourth Proportional to 111,808.70, 167,664.45 and 32,906.60

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Solution

The fourth proportional to 111,808.70, 167,664.45 and 32,906.60 is: 49,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,808.70 : 167,664.45 = 32,906.60 : x
  2. Step 2: Convert to fraction form
    111,808.70/167,664.45 = 32,906.60/x
  3. Step 3: Cross multiply
    111,808.70x = 167,664.45 × 32,906.60
  4. Step 4: Simplify right side
    111,808.70x = 5,517,266,990.37
  5. Step 5: Solve for x
    x = 5,517,266,990.37/111,808.70
  6. Step 6: Final answer
    x = 49,345.60

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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.