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Finding the Fourth Proportional to 171,838.44, 257,859.72 and 92,950.92

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Solution

The fourth proportional to 171,838.44, 257,859.72 and 92,950.92 is: 139,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,838.44 : 257,859.72 = 92,950.92 : x
  2. Step 2: Convert to fraction form
    171,838.44/257,859.72 = 92,950.92/x
  3. Step 3: Cross multiply
    171,838.44x = 257,859.72 × 92,950.92
  4. Step 4: Simplify right side
    171,838.44x = 23,968,298,204.94
  5. Step 5: Solve for x
    x = 23,968,298,204.94/171,838.44
  6. Step 6: Final answer
    x = 139,481.59

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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.