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Finding the Fourth Proportional to 267,190.36, 368,972.46 and 171,862.54

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Solution

The fourth proportional to 267,190.36, 368,972.46 and 171,862.54 is: 237,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,190.36 : 368,972.46 = 171,862.54 : x
  2. Step 2: Convert to fraction form
    267,190.36/368,972.46 = 171,862.54/x
  3. Step 3: Cross multiply
    267,190.36x = 368,972.46 × 171,862.54
  4. Step 4: Simplify right side
    267,190.36x = 63,412,544,165.65
  5. Step 5: Solve for x
    x = 63,412,544,165.65/267,190.36
  6. Step 6: Final answer
    x = 237,330.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.