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Finding the Fourth Proportional to 167,571, 231,252.42 and 91,095.24

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Solution

The fourth proportional to 167,571, 231,252.42 and 91,095.24 is: 125,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,571 : 231,252.42 = 91,095.24 : x
  2. Step 2: Convert to fraction form
    167,571/231,252.42 = 91,095.24/x
  3. Step 3: Cross multiply
    167,571x = 231,252.42 × 91,095.24
  4. Step 4: Simplify right side
    167,571x = 21,065,994,700.48
  5. Step 5: Solve for x
    x = 21,065,994,700.48/167,571
  6. Step 6: Final answer
    x = 125,713.84

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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.