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Finding the Fourth Proportional to 168,544.64, 252,635.52 and 89,579.52

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Solution

The fourth proportional to 168,544.64, 252,635.52 and 89,579.52 is: 134,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,544.64 : 252,635.52 = 89,579.52 : x
  2. Step 2: Convert to fraction form
    168,544.64/252,635.52 = 89,579.52/x
  3. Step 3: Cross multiply
    168,544.64x = 252,635.52 × 89,579.52
  4. Step 4: Simplify right side
    168,544.64x = 22,630,968,616.55
  5. Step 5: Solve for x
    x = 22,630,968,616.55/168,544.64
  6. Step 6: Final answer
    x = 134,272.85

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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.