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Finding the Fourth Proportional to 274,751.37, 412,280.15 and 148,388.94

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Solution

The fourth proportional to 274,751.37, 412,280.15 and 148,388.94 is: 222,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,751.37 : 412,280.15 = 148,388.94 : x
  2. Step 2: Convert to fraction form
    274,751.37/412,280.15 = 148,388.94/x
  3. Step 3: Cross multiply
    274,751.37x = 412,280.15 × 148,388.94
  4. Step 4: Simplify right side
    274,751.37x = 61,177,813,699.60
  5. Step 5: Solve for x
    x = 61,177,813,699.60/274,751.37
  6. Step 6: Final answer
    x = 222,666.09

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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.