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Finding the Fourth Proportional to 173,755.50, 239,780.97 and 98,304

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Solution

The fourth proportional to 173,755.50, 239,780.97 and 98,304 is: 135,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,755.50 : 239,780.97 = 98,304 : x
  2. Step 2: Convert to fraction form
    173,755.50/239,780.97 = 98,304/x
  3. Step 3: Cross multiply
    173,755.50x = 239,780.97 × 98,304
  4. Step 4: Simplify right side
    173,755.50x = 23,571,428,474.88
  5. Step 5: Solve for x
    x = 23,571,428,474.88/173,755.50
  6. Step 6: Final answer
    x = 135,658.60

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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.