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Finding the Fourth Proportional to 267,187.35, 368,968.32 and 171,859.53

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Solution

The fourth proportional to 267,187.35, 368,968.32 and 171,859.53 is: 237,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,187.35 : 368,968.32 = 171,859.53 : x
  2. Step 2: Convert to fraction form
    267,187.35/368,968.32 = 171,859.53/x
  3. Step 3: Cross multiply
    267,187.35x = 368,968.32 × 171,859.53
  4. Step 4: Simplify right side
    267,187.35x = 63,410,722,060.09
  5. Step 5: Solve for x
    x = 63,410,722,060.09/267,187.35
  6. Step 6: Final answer
    x = 237,326.81

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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.