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Finding the Fourth Proportional to 225,551.12, 337,391.64 and 171,836.66

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Solution

The fourth proportional to 225,551.12, 337,391.64 and 171,836.66 is: 257,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,551.12 : 337,391.64 = 171,836.66 : x
  2. Step 2: Convert to fraction form
    225,551.12/337,391.64 = 171,836.66/x
  3. Step 3: Cross multiply
    225,551.12x = 337,391.64 × 171,836.66
  4. Step 4: Simplify right side
    225,551.12x = 57,976,252,529.52
  5. Step 5: Solve for x
    x = 57,976,252,529.52/225,551.12
  6. Step 6: Final answer
    x = 257,042.63

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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.