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Finding the Fourth Proportional to 176,650.80, 264,630.60 and 106,321.20

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Solution

The fourth proportional to 176,650.80, 264,630.60 and 106,321.20 is: 159,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,650.80 : 264,630.60 = 106,321.20 : x
  2. Step 2: Convert to fraction form
    176,650.80/264,630.60 = 106,321.20/x
  3. Step 3: Cross multiply
    176,650.80x = 264,630.60 × 106,321.20
  4. Step 4: Simplify right side
    176,650.80x = 28,135,842,948.72
  5. Step 5: Solve for x
    x = 28,135,842,948.72/176,650.80
  6. Step 6: Final answer
    x = 159,273.79

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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.