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Finding the Fourth Proportional to 151,008.46, 226,687.67 and 81,024.46

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Solution

The fourth proportional to 151,008.46, 226,687.67 and 81,024.46 is: 121,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.46 : 226,687.67 = 81,024.46 : x
  2. Step 2: Convert to fraction form
    151,008.46/226,687.67 = 81,024.46/x
  3. Step 3: Cross multiply
    151,008.46x = 226,687.67 × 81,024.46
  4. Step 4: Simplify right side
    151,008.46x = 18,367,245,382.41
  5. Step 5: Solve for x
    x = 18,367,245,382.41/151,008.46
  6. Step 6: Final answer
    x = 121,630.57

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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.