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Finding the Fourth Proportional to 168,777.85, 253,017.78 and 63,670.63

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Solution

The fourth proportional to 168,777.85, 253,017.78 and 63,670.63 is: 95,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,777.85 : 253,017.78 = 63,670.63 : x
  2. Step 2: Convert to fraction form
    168,777.85/253,017.78 = 63,670.63/x
  3. Step 3: Cross multiply
    168,777.85x = 253,017.78 × 63,670.63
  4. Step 4: Simplify right side
    168,777.85x = 16,109,801,453.80
  5. Step 5: Solve for x
    x = 16,109,801,453.80/168,777.85
  6. Step 6: Final answer
    x = 95,449.74

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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.