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Finding the Fourth Proportional to 324,173.23, 485,927.28 and 124,439.83

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Solution

The fourth proportional to 324,173.23, 485,927.28 and 124,439.83 is: 186,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,173.23 : 485,927.28 = 124,439.83 : x
  2. Step 2: Convert to fraction form
    324,173.23/485,927.28 = 124,439.83/x
  3. Step 3: Cross multiply
    324,173.23x = 485,927.28 × 124,439.83
  4. Step 4: Simplify right side
    324,173.23x = 60,468,708,115.56
  5. Step 5: Solve for x
    x = 60,468,708,115.56/324,173.23
  6. Step 6: Final answer
    x = 186,532.08

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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.