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Finding the Fourth Proportional to 67,986, 101,654.46 and 62,030.61

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Solution

The fourth proportional to 67,986, 101,654.46 and 62,030.61 is: 92,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986 : 101,654.46 = 62,030.61 : x
  2. Step 2: Convert to fraction form
    67,986/101,654.46 = 62,030.61/x
  3. Step 3: Cross multiply
    67,986x = 101,654.46 × 62,030.61
  4. Step 4: Simplify right side
    67,986x = 6,305,688,163.02
  5. Step 5: Solve for x
    x = 6,305,688,163.02/67,986
  6. Step 6: Final answer
    x = 92,749.80

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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.