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Finding the Fourth Proportional to 171,270.72, 236,274.72 and 110,860.80

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Solution

The fourth proportional to 171,270.72, 236,274.72 and 110,860.80 is: 152,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,270.72 : 236,274.72 = 110,860.80 : x
  2. Step 2: Convert to fraction form
    171,270.72/236,274.72 = 110,860.80/x
  3. Step 3: Cross multiply
    171,270.72x = 236,274.72 × 110,860.80
  4. Step 4: Simplify right side
    171,270.72x = 26,193,604,478.98
  5. Step 5: Solve for x
    x = 26,193,604,478.98/171,270.72
  6. Step 6: Final answer
    x = 152,936.85

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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.