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Finding the Fourth Proportional to 62,119.50, 85,720.50 and 35,262.54

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Solution

The fourth proportional to 62,119.50, 85,720.50 and 35,262.54 is: 48,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,119.50 : 85,720.50 = 35,262.54 : x
  2. Step 2: Convert to fraction form
    62,119.50/85,720.50 = 35,262.54/x
  3. Step 3: Cross multiply
    62,119.50x = 85,720.50 × 35,262.54
  4. Step 4: Simplify right side
    62,119.50x = 3,022,722,560.07
  5. Step 5: Solve for x
    x = 3,022,722,560.07/62,119.50
  6. Step 6: Final answer
    x = 48,659.80

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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.