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Finding the Fourth Proportional to 173,642.82, 259,753.70 and 131,207.46

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Solution

The fourth proportional to 173,642.82, 259,753.70 and 131,207.46 is: 196,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,642.82 : 259,753.70 = 131,207.46 : x
  2. Step 2: Convert to fraction form
    173,642.82/259,753.70 = 131,207.46/x
  3. Step 3: Cross multiply
    173,642.82x = 259,753.70 × 131,207.46
  4. Step 4: Simplify right side
    173,642.82x = 34,081,623,202.60
  5. Step 5: Solve for x
    x = 34,081,623,202.60/173,642.82
  6. Step 6: Final answer
    x = 196,274.30

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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.