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Finding the Fourth Proportional to 273,976.65, 378,084.83 and 151,468.50

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Solution

The fourth proportional to 273,976.65, 378,084.83 and 151,468.50 is: 209,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,976.65 : 378,084.83 = 151,468.50 : x
  2. Step 2: Convert to fraction form
    273,976.65/378,084.83 = 151,468.50/x
  3. Step 3: Cross multiply
    273,976.65x = 378,084.83 × 151,468.50
  4. Step 4: Simplify right side
    273,976.65x = 57,267,942,733.33
  5. Step 5: Solve for x
    x = 57,267,942,733.33/273,976.65
  6. Step 6: Final answer
    x = 209,024.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.