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Finding the Fourth Proportional to 171,566, 236,770.80 and 96,138.80

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Solution

The fourth proportional to 171,566, 236,770.80 and 96,138.80 is: 132,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,566 : 236,770.80 = 96,138.80 : x
  2. Step 2: Convert to fraction form
    171,566/236,770.80 = 96,138.80/x
  3. Step 3: Cross multiply
    171,566x = 236,770.80 × 96,138.80
  4. Step 4: Simplify right side
    171,566x = 22,762,860,587.04
  5. Step 5: Solve for x
    x = 22,762,860,587.04/171,566
  6. Step 6: Final answer
    x = 132,676.99

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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.