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Finding the Fourth Proportional to 100,659.96, 151,004.52 and 37,474.92

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Solution

The fourth proportional to 100,659.96, 151,004.52 and 37,474.92 is: 56,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.96 : 151,004.52 = 37,474.92 : x
  2. Step 2: Convert to fraction form
    100,659.96/151,004.52 = 37,474.92/x
  3. Step 3: Cross multiply
    100,659.96x = 151,004.52 × 37,474.92
  4. Step 4: Simplify right side
    100,659.96x = 5,658,882,306.64
  5. Step 5: Solve for x
    x = 5,658,882,306.64/100,659.96
  6. Step 6: Final answer
    x = 56,217.81

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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.