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Finding the Fourth Proportional to 273,416.45, 377,305.83 and 149,232.65

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Solution

The fourth proportional to 273,416.45, 377,305.83 and 149,232.65 is: 205,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,416.45 : 377,305.83 = 149,232.65 : x
  2. Step 2: Convert to fraction form
    273,416.45/377,305.83 = 149,232.65/x
  3. Step 3: Cross multiply
    273,416.45x = 377,305.83 × 149,232.65
  4. Step 4: Simplify right side
    273,416.45x = 56,306,346,984.82
  5. Step 5: Solve for x
    x = 56,306,346,984.82/273,416.45
  6. Step 6: Final answer
    x = 205,936.21

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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.