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Finding the Fourth Proportional to 151,803.32, 227,753.57 and 72,923.09

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Solution

The fourth proportional to 151,803.32, 227,753.57 and 72,923.09 is: 109,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,803.32 : 227,753.57 = 72,923.09 : x
  2. Step 2: Convert to fraction form
    151,803.32/227,753.57 = 72,923.09/x
  3. Step 3: Cross multiply
    151,803.32x = 227,753.57 × 72,923.09
  4. Step 4: Simplify right side
    151,803.32x = 16,608,493,126.47
  5. Step 5: Solve for x
    x = 16,608,493,126.47/151,803.32
  6. Step 6: Final answer
    x = 109,407.97

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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.