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Finding the Fourth Proportional to 173,842.78, 260,764.18 and 111,906.94

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Solution

The fourth proportional to 173,842.78, 260,764.18 and 111,906.94 is: 167,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,842.78 : 260,764.18 = 111,906.94 : x
  2. Step 2: Convert to fraction form
    173,842.78/260,764.18 = 111,906.94/x
  3. Step 3: Cross multiply
    173,842.78x = 260,764.18 × 111,906.94
  4. Step 4: Simplify right side
    173,842.78x = 29,181,321,445.41
  5. Step 5: Solve for x
    x = 29,181,321,445.41/173,842.78
  6. Step 6: Final answer
    x = 167,860.42

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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.