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Finding the Fourth Proportional to 206,893.60, 310,340.40 and 184,586.20

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Solution

The fourth proportional to 206,893.60, 310,340.40 and 184,586.20 is: 276,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,893.60 : 310,340.40 = 184,586.20 : x
  2. Step 2: Convert to fraction form
    206,893.60/310,340.40 = 184,586.20/x
  3. Step 3: Cross multiply
    206,893.60x = 310,340.40 × 184,586.20
  4. Step 4: Simplify right side
    206,893.60x = 57,284,555,142.48
  5. Step 5: Solve for x
    x = 57,284,555,142.48/206,893.60
  6. Step 6: Final answer
    x = 276,879.30

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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.