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Finding the Fourth Proportional to 111,851.91, 167,804.15 and 36,972.06

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Solution

The fourth proportional to 111,851.91, 167,804.15 and 36,972.06 is: 55,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,851.91 : 167,804.15 = 36,972.06 : x
  2. Step 2: Convert to fraction form
    111,851.91/167,804.15 = 36,972.06/x
  3. Step 3: Cross multiply
    111,851.91x = 167,804.15 × 36,972.06
  4. Step 4: Simplify right side
    111,851.91x = 6,204,064,917.19
  5. Step 5: Solve for x
    x = 6,204,064,917.19/111,851.91
  6. Step 6: Final answer
    x = 55,466.78

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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.