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Finding the Fourth Proportional to 168,806.30, 253,333.86 and 80,060.06

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Solution

The fourth proportional to 168,806.30, 253,333.86 and 80,060.06 is: 120,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806.30 : 253,333.86 = 80,060.06 : x
  2. Step 2: Convert to fraction form
    168,806.30/253,333.86 = 80,060.06/x
  3. Step 3: Cross multiply
    168,806.30x = 253,333.86 × 80,060.06
  4. Step 4: Simplify right side
    168,806.30x = 20,281,924,031.63
  5. Step 5: Solve for x
    x = 20,281,924,031.63/168,806.30
  6. Step 6: Final answer
    x = 120,149.09

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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.