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Finding the Fourth Proportional to 167,783.91, 231,541.83 and 92,332.41

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Solution

The fourth proportional to 167,783.91, 231,541.83 and 92,332.41 is: 127,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,783.91 : 231,541.83 = 92,332.41 : x
  2. Step 2: Convert to fraction form
    167,783.91/231,541.83 = 92,332.41/x
  3. Step 3: Cross multiply
    167,783.91x = 231,541.83 × 92,332.41
  4. Step 4: Simplify right side
    167,783.91x = 21,378,814,181.59
  5. Step 5: Solve for x
    x = 21,378,814,181.59/167,783.91
  6. Step 6: Final answer
    x = 127,418.74

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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.