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Finding the Fourth Proportional to 184,419.40, 276,629.10 and 168,089.80

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Solution

The fourth proportional to 184,419.40, 276,629.10 and 168,089.80 is: 252,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,419.40 : 276,629.10 = 168,089.80 : x
  2. Step 2: Convert to fraction form
    184,419.40/276,629.10 = 168,089.80/x
  3. Step 3: Cross multiply
    184,419.40x = 276,629.10 × 168,089.80
  4. Step 4: Simplify right side
    184,419.40x = 46,498,530,093.18
  5. Step 5: Solve for x
    x = 46,498,530,093.18/184,419.40
  6. Step 6: Final answer
    x = 252,134.70

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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.