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Finding the Fourth Proportional to 164,653.34, 247,027.43 and 80,462.03

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Solution

The fourth proportional to 164,653.34, 247,027.43 and 80,462.03 is: 120,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,653.34 : 247,027.43 = 80,462.03 : x
  2. Step 2: Convert to fraction form
    164,653.34/247,027.43 = 80,462.03/x
  3. Step 3: Cross multiply
    164,653.34x = 247,027.43 × 80,462.03
  4. Step 4: Simplify right side
    164,653.34x = 19,876,327,449.50
  5. Step 5: Solve for x
    x = 19,876,327,449.50/164,653.34
  6. Step 6: Final answer
    x = 120,716.22

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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.