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Finding the Fourth Proportional to 275,552.62, 412,943.87 and 148,919.85

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Solution

The fourth proportional to 275,552.62, 412,943.87 and 148,919.85 is: 223,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,552.62 : 412,943.87 = 148,919.85 : x
  2. Step 2: Convert to fraction form
    275,552.62/412,943.87 = 148,919.85/x
  3. Step 3: Cross multiply
    275,552.62x = 412,943.87 × 148,919.85
  4. Step 4: Simplify right side
    275,552.62x = 61,495,539,551.12
  5. Step 5: Solve for x
    x = 61,495,539,551.12/275,552.62
  6. Step 6: Final answer
    x = 223,171.68

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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.