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Finding the Fourth Proportional to 273,914.73, 378,118.72 and 166,519.05

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Solution

The fourth proportional to 273,914.73, 378,118.72 and 166,519.05 is: 229,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,914.73 : 378,118.72 = 166,519.05 : x
  2. Step 2: Convert to fraction form
    273,914.73/378,118.72 = 166,519.05/x
  3. Step 3: Cross multiply
    273,914.73x = 378,118.72 × 166,519.05
  4. Step 4: Simplify right side
    273,914.73x = 62,963,970,041.62
  5. Step 5: Solve for x
    x = 62,963,970,041.62/273,914.73
  6. Step 6: Final answer
    x = 229,867.05

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1.5x scale

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.