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Finding the Fourth Proportional to 311,811.24, 467,722.62 and 101,448.36

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Solution

The fourth proportional to 311,811.24, 467,722.62 and 101,448.36 is: 152,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,811.24 : 467,722.62 = 101,448.36 : x
  2. Step 2: Convert to fraction form
    311,811.24/467,722.62 = 101,448.36/x
  3. Step 3: Cross multiply
    311,811.24x = 467,722.62 × 101,448.36
  4. Step 4: Simplify right side
    311,811.24x = 47,449,692,733.90
  5. Step 5: Solve for x
    x = 47,449,692,733.90/311,811.24
  6. Step 6: Final answer
    x = 152,174.41

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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.