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Finding the Fourth Proportional to 184,422.60, 276,633.90 and 137,766.60

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Solution

The fourth proportional to 184,422.60, 276,633.90 and 137,766.60 is: 206,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,422.60 : 276,633.90 = 137,766.60 : x
  2. Step 2: Convert to fraction form
    184,422.60/276,633.90 = 137,766.60/x
  3. Step 3: Cross multiply
    184,422.60x = 276,633.90 × 137,766.60
  4. Step 4: Simplify right side
    184,422.60x = 38,110,911,847.74
  5. Step 5: Solve for x
    x = 38,110,911,847.74/184,422.60
  6. Step 6: Final answer
    x = 206,649.90

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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.