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Finding the Fourth Proportional to 184,484.20, 276,645.30 and 84,611.20

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Solution

The fourth proportional to 184,484.20, 276,645.30 and 84,611.20 is: 126,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,484.20 : 276,645.30 = 84,611.20 : x
  2. Step 2: Convert to fraction form
    184,484.20/276,645.30 = 84,611.20/x
  3. Step 3: Cross multiply
    184,484.20x = 276,645.30 × 84,611.20
  4. Step 4: Simplify right side
    184,484.20x = 23,407,290,807.36
  5. Step 5: Solve for x
    x = 23,407,290,807.36/184,484.20
  6. Step 6: Final answer
    x = 126,879.65

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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.