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Finding the Fourth Proportional to 300,044.43, 450,165.20 and 122,700.60

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Solution

The fourth proportional to 300,044.43, 450,165.20 and 122,700.60 is: 184,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,044.43 : 450,165.20 = 122,700.60 : x
  2. Step 2: Convert to fraction form
    300,044.43/450,165.20 = 122,700.60/x
  3. Step 3: Cross multiply
    300,044.43x = 450,165.20 × 122,700.60
  4. Step 4: Simplify right side
    300,044.43x = 55,235,540,139.12
  5. Step 5: Solve for x
    x = 55,235,540,139.12/300,044.43
  6. Step 6: Final answer
    x = 184,091.20

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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.