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Finding the Fourth Proportional to 183,181.20, 274,301.72 and 126,941.20

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Solution

The fourth proportional to 183,181.20, 274,301.72 and 126,941.20 is: 190,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,181.20 : 274,301.72 = 126,941.20 : x
  2. Step 2: Convert to fraction form
    183,181.20/274,301.72 = 126,941.20/x
  3. Step 3: Cross multiply
    183,181.20x = 274,301.72 × 126,941.20
  4. Step 4: Simplify right side
    183,181.20x = 34,820,189,498.86
  5. Step 5: Solve for x
    x = 34,820,189,498.86/183,181.20
  6. Step 6: Final answer
    x = 190,086.04

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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.