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Finding the Fourth Proportional to 171,693.69, 257,614.54 and 92,863.41

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Solution

The fourth proportional to 171,693.69, 257,614.54 and 92,863.41 is: 139,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,693.69 : 257,614.54 = 92,863.41 : x
  2. Step 2: Convert to fraction form
    171,693.69/257,614.54 = 92,863.41/x
  3. Step 3: Cross multiply
    171,693.69x = 257,614.54 × 92,863.41
  4. Step 4: Simplify right side
    171,693.69x = 23,922,964,649.98
  5. Step 5: Solve for x
    x = 23,922,964,649.98/171,693.69
  6. Step 6: Final answer
    x = 139,335.14

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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.