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Finding the Fourth Proportional to 168,008, 252,016.86 and 43,349

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Solution

The fourth proportional to 168,008, 252,016.86 and 43,349 is: 65,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,008 : 252,016.86 = 43,349 : x
  2. Step 2: Convert to fraction form
    168,008/252,016.86 = 43,349/x
  3. Step 3: Cross multiply
    168,008x = 252,016.86 × 43,349
  4. Step 4: Simplify right side
    168,008x = 10,924,678,864.14
  5. Step 5: Solve for x
    x = 10,924,678,864.14/168,008
  6. Step 6: Final answer
    x = 65,024.75

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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.