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Finding the Fourth Proportional to 71,134.96, 98,212 and 45,652.30

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Solution

The fourth proportional to 71,134.96, 98,212 and 45,652.30 is: 63,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.96 : 98,212 = 45,652.30 : x
  2. Step 2: Convert to fraction form
    71,134.96/98,212 = 45,652.30/x
  3. Step 3: Cross multiply
    71,134.96x = 98,212 × 45,652.30
  4. Step 4: Simplify right side
    71,134.96x = 4,483,603,687.60
  5. Step 5: Solve for x
    x = 4,483,603,687.60/71,134.96
  6. Step 6: Final answer
    x = 63,029.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.