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Finding the Fourth Proportional to 168,002.60, 252,101.10 and 62,832.20

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Solution

The fourth proportional to 168,002.60, 252,101.10 and 62,832.20 is: 94,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.60 : 252,101.10 = 62,832.20 : x
  2. Step 2: Convert to fraction form
    168,002.60/252,101.10 = 62,832.20/x
  3. Step 3: Cross multiply
    168,002.60x = 252,101.10 × 62,832.20
  4. Step 4: Simplify right side
    168,002.60x = 15,840,066,735.42
  5. Step 5: Solve for x
    x = 15,840,066,735.42/168,002.60
  6. Step 6: Final answer
    x = 94,284.65

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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.