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Finding the Fourth Proportional to 171,104.99, 256,571.82 and 52,760.95

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Solution

The fourth proportional to 171,104.99, 256,571.82 and 52,760.95 is: 79,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,104.99 : 256,571.82 = 52,760.95 : x
  2. Step 2: Convert to fraction form
    171,104.99/256,571.82 = 52,760.95/x
  3. Step 3: Cross multiply
    171,104.99x = 256,571.82 × 52,760.95
  4. Step 4: Simplify right side
    171,104.99x = 13,536,972,966.43
  5. Step 5: Solve for x
    x = 13,536,972,966.43/171,104.99
  6. Step 6: Final answer
    x = 79,115.01

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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.