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Finding the Fourth Proportional to 111,576.74, 167,393.44 and 51,648.42

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Solution

The fourth proportional to 111,576.74, 167,393.44 and 51,648.42 is: 77,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,576.74 : 167,393.44 = 51,648.42 : x
  2. Step 2: Convert to fraction form
    111,576.74/167,393.44 = 51,648.42/x
  3. Step 3: Cross multiply
    111,576.74x = 167,393.44 × 51,648.42
  4. Step 4: Simplify right side
    111,576.74x = 8,645,605,599.16
  5. Step 5: Solve for x
    x = 8,645,605,599.16/111,576.74
  6. Step 6: Final answer
    x = 77,485.73

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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.