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Finding the Fourth Proportional to 173,087.72, 259,853.02 and 146,958.48

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Solution

The fourth proportional to 173,087.72, 259,853.02 and 146,958.48 is: 220,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,087.72 : 259,853.02 = 146,958.48 : x
  2. Step 2: Convert to fraction form
    173,087.72/259,853.02 = 146,958.48/x
  3. Step 3: Cross multiply
    173,087.72x = 259,853.02 × 146,958.48
  4. Step 4: Simplify right side
    173,087.72x = 38,187,604,842.61
  5. Step 5: Solve for x
    x = 38,187,604,842.61/173,087.72
  6. Step 6: Final answer
    x = 220,625.73

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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.