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Finding the Fourth Proportional to 171,882.20, 258,017.70 and 92,955.80

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Solution

The fourth proportional to 171,882.20, 258,017.70 and 92,955.80 is: 139,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,882.20 : 258,017.70 = 92,955.80 : x
  2. Step 2: Convert to fraction form
    171,882.20/258,017.70 = 92,955.80/x
  3. Step 3: Cross multiply
    171,882.20x = 258,017.70 × 92,955.80
  4. Step 4: Simplify right side
    171,882.20x = 23,984,241,717.66
  5. Step 5: Solve for x
    x = 23,984,241,717.66/171,882.20
  6. Step 6: Final answer
    x = 139,538.83

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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.