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Finding the Fourth Proportional to 216,836.72, 325,441.91 and 150,323.56

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Solution

The fourth proportional to 216,836.72, 325,441.91 and 150,323.56 is: 225,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,836.72 : 325,441.91 = 150,323.56 : x
  2. Step 2: Convert to fraction form
    216,836.72/325,441.91 = 150,323.56/x
  3. Step 3: Cross multiply
    216,836.72x = 325,441.91 × 150,323.56
  4. Step 4: Simplify right side
    216,836.72x = 48,921,586,484.40
  5. Step 5: Solve for x
    x = 48,921,586,484.40/216,836.72
  6. Step 6: Final answer
    x = 225,614.86

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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.