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Finding the Fourth Proportional to 184,436.40, 276,654.60 and 172,626.60

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Solution

The fourth proportional to 184,436.40, 276,654.60 and 172,626.60 is: 258,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,436.40 : 276,654.60 = 172,626.60 : x
  2. Step 2: Convert to fraction form
    184,436.40/276,654.60 = 172,626.60/x
  3. Step 3: Cross multiply
    184,436.40x = 276,654.60 × 172,626.60
  4. Step 4: Simplify right side
    184,436.40x = 47,757,942,972.36
  5. Step 5: Solve for x
    x = 47,757,942,972.36/184,436.40
  6. Step 6: Final answer
    x = 258,939.90

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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.