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Finding the Fourth Proportional to 168,903, 253,354.50 and 63,697.37

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Solution

The fourth proportional to 168,903, 253,354.50 and 63,697.37 is: 95,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,903 : 253,354.50 = 63,697.37 : x
  2. Step 2: Convert to fraction form
    168,903/253,354.50 = 63,697.37/x
  3. Step 3: Cross multiply
    168,903x = 253,354.50 × 63,697.37
  4. Step 4: Simplify right side
    168,903x = 16,138,014,060.89
  5. Step 5: Solve for x
    x = 16,138,014,060.89/168,903
  6. Step 6: Final answer
    x = 95,546.05

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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.