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Finding the Fourth Proportional to 127,651.92, 191,463.27 and 34,164.96

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Solution

The fourth proportional to 127,651.92, 191,463.27 and 34,164.96 is: 51,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651.92 : 191,463.27 = 34,164.96 : x
  2. Step 2: Convert to fraction form
    127,651.92/191,463.27 = 34,164.96/x
  3. Step 3: Cross multiply
    127,651.92x = 191,463.27 × 34,164.96
  4. Step 4: Simplify right side
    127,651.92x = 6,541,334,961.02
  5. Step 5: Solve for x
    x = 6,541,334,961.02/127,651.92
  6. Step 6: Final answer
    x = 51,243.53

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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.