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Finding the Fourth Proportional to 324,169.22, 485,921.28 and 124,435.82

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Solution

The fourth proportional to 324,169.22, 485,921.28 and 124,435.82 is: 186,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,169.22 : 485,921.28 = 124,435.82 : x
  2. Step 2: Convert to fraction form
    324,169.22/485,921.28 = 124,435.82/x
  3. Step 3: Cross multiply
    324,169.22x = 485,921.28 × 124,435.82
  4. Step 4: Simplify right side
    324,169.22x = 60,466,014,613.69
  5. Step 5: Solve for x
    x = 60,466,014,613.69/324,169.22
  6. Step 6: Final answer
    x = 186,526.08

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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.