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Finding the Fourth Proportional to 267,185.48, 368,965.73 and 171,857.66

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Solution

The fourth proportional to 267,185.48, 368,965.73 and 171,857.66 is: 237,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,185.48 : 368,965.73 = 171,857.66 : x
  2. Step 2: Convert to fraction form
    267,185.48/368,965.73 = 171,857.66/x
  3. Step 3: Cross multiply
    267,185.48x = 368,965.73 × 171,857.66
  4. Step 4: Simplify right side
    267,185.48x = 63,409,585,562.81
  5. Step 5: Solve for x
    x = 63,409,585,562.81/267,185.48
  6. Step 6: Final answer
    x = 237,324.22

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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.