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Finding the Fourth Proportional to 151,835.52, 227,891.52 and 80,817.81

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Solution

The fourth proportional to 151,835.52, 227,891.52 and 80,817.81 is: 121,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,835.52 : 227,891.52 = 80,817.81 : x
  2. Step 2: Convert to fraction form
    151,835.52/227,891.52 = 80,817.81/x
  3. Step 3: Cross multiply
    151,835.52x = 227,891.52 × 80,817.81
  4. Step 4: Simplify right side
    151,835.52x = 18,417,693,563.97
  5. Step 5: Solve for x
    x = 18,417,693,563.97/151,835.52
  6. Step 6: Final answer
    x = 121,300.30

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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.