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Finding the Fourth Proportional to 323,873.24, 485,879.56 and 99,249.19

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Solution

The fourth proportional to 323,873.24, 485,879.56 and 99,249.19 is: 148,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,873.24 : 485,879.56 = 99,249.19 : x
  2. Step 2: Convert to fraction form
    323,873.24/485,879.56 = 99,249.19/x
  3. Step 3: Cross multiply
    323,873.24x = 485,879.56 × 99,249.19
  4. Step 4: Simplify right side
    323,873.24x = 48,223,151,304.73
  5. Step 5: Solve for x
    x = 48,223,151,304.73/323,873.24
  6. Step 6: Final answer
    x = 148,895.14

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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.