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Finding the Fourth Proportional to 173,099, 238,876.62 and 93,611

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Solution

The fourth proportional to 173,099, 238,876.62 and 93,611 is: 129,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,099 : 238,876.62 = 93,611 : x
  2. Step 2: Convert to fraction form
    173,099/238,876.62 = 93,611/x
  3. Step 3: Cross multiply
    173,099x = 238,876.62 × 93,611
  4. Step 4: Simplify right side
    173,099x = 22,361,479,274.82
  5. Step 5: Solve for x
    x = 22,361,479,274.82/173,099
  6. Step 6: Final answer
    x = 129,183.18

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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.