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Finding the Fourth Proportional to 340,448.92, 510,387.48 and 148,179.73

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Solution

The fourth proportional to 340,448.92, 510,387.48 and 148,179.73 is: 222,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,448.92 : 510,387.48 = 148,179.73 : x
  2. Step 2: Convert to fraction form
    340,448.92/510,387.48 = 148,179.73/x
  3. Step 3: Cross multiply
    340,448.92x = 510,387.48 × 148,179.73
  4. Step 4: Simplify right side
    340,448.92x = 75,629,078,662.79
  5. Step 5: Solve for x
    x = 75,629,078,662.79/340,448.92
  6. Step 6: Final answer
    x = 222,145.15

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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.