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Finding the Fourth Proportional to 171,571.15, 257,391.12 and 59,255.49

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Solution

The fourth proportional to 171,571.15, 257,391.12 and 59,255.49 is: 88,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,571.15 : 257,391.12 = 59,255.49 : x
  2. Step 2: Convert to fraction form
    171,571.15/257,391.12 = 59,255.49/x
  3. Step 3: Cross multiply
    171,571.15x = 257,391.12 × 59,255.49
  4. Step 4: Simplify right side
    171,571.15x = 15,251,836,194.24
  5. Step 5: Solve for x
    x = 15,251,836,194.24/171,571.15
  6. Step 6: Final answer
    x = 88,895.11

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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.