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Finding the Fourth Proportional to 273,991.80, 377,888.94 and 171,924.60

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Solution

The fourth proportional to 273,991.80, 377,888.94 and 171,924.60 is: 237,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,991.80 : 377,888.94 = 171,924.60 : x
  2. Step 2: Convert to fraction form
    273,991.80/377,888.94 = 171,924.60/x
  3. Step 3: Cross multiply
    273,991.80x = 377,888.94 × 171,924.60
  4. Step 4: Simplify right side
    273,991.80x = 64,968,404,853.92
  5. Step 5: Solve for x
    x = 64,968,404,853.92/273,991.80
  6. Step 6: Final answer
    x = 237,118.06

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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.