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Finding the Fourth Proportional to 348,067.20, 522,100.80 and 111,433.80

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Solution

The fourth proportional to 348,067.20, 522,100.80 and 111,433.80 is: 167,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,067.20 : 522,100.80 = 111,433.80 : x
  2. Step 2: Convert to fraction form
    348,067.20/522,100.80 = 111,433.80/x
  3. Step 3: Cross multiply
    348,067.20x = 522,100.80 × 111,433.80
  4. Step 4: Simplify right side
    348,067.20x = 58,179,676,127.04
  5. Step 5: Solve for x
    x = 58,179,676,127.04/348,067.20
  6. Step 6: Final answer
    x = 167,150.70

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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.