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Finding the Fourth Proportional to 348,107.80, 522,198.15 and 148,449.28

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Solution

The fourth proportional to 348,107.80, 522,198.15 and 148,449.28 is: 222,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,107.80 : 522,198.15 = 148,449.28 : x
  2. Step 2: Convert to fraction form
    348,107.80/522,198.15 = 148,449.28/x
  3. Step 3: Cross multiply
    348,107.80x = 522,198.15 × 148,449.28
  4. Step 4: Simplify right side
    348,107.80x = 77,519,939,384.83
  5. Step 5: Solve for x
    x = 77,519,939,384.83/348,107.80
  6. Step 6: Final answer
    x = 222,689.46

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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.