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Finding the Fourth Proportional to 67,652.69, 101,480.86 and 30,203.96

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Solution

The fourth proportional to 67,652.69, 101,480.86 and 30,203.96 is: 45,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.69 : 101,480.86 = 30,203.96 : x
  2. Step 2: Convert to fraction form
    67,652.69/101,480.86 = 30,203.96/x
  3. Step 3: Cross multiply
    67,652.69x = 101,480.86 × 30,203.96
  4. Step 4: Simplify right side
    67,652.69x = 3,065,123,836.21
  5. Step 5: Solve for x
    x = 3,065,123,836.21/67,652.69
  6. Step 6: Final answer
    x = 45,306.75

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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.