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Finding the Fourth Proportional to 168,208.45, 252,027.05 and 101,508.42

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Solution

The fourth proportional to 168,208.45, 252,027.05 and 101,508.42 is: 152,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,208.45 : 252,027.05 = 101,508.42 : x
  2. Step 2: Convert to fraction form
    168,208.45/252,027.05 = 101,508.42/x
  3. Step 3: Cross multiply
    168,208.45x = 252,027.05 × 101,508.42
  4. Step 4: Simplify right side
    168,208.45x = 25,582,868,841.63
  5. Step 5: Solve for x
    x = 25,582,868,841.63/168,208.45
  6. Step 6: Final answer
    x = 152,090.27

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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.