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Finding the Fourth Proportional to 67,999.80, 101,913.30 and 32,863.80

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Solution

The fourth proportional to 67,999.80, 101,913.30 and 32,863.80 is: 49,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999.80 : 101,913.30 = 32,863.80 : x
  2. Step 2: Convert to fraction form
    67,999.80/101,913.30 = 32,863.80/x
  3. Step 3: Cross multiply
    67,999.80x = 101,913.30 × 32,863.80
  4. Step 4: Simplify right side
    67,999.80x = 3,349,258,308.54
  5. Step 5: Solve for x
    x = 3,349,258,308.54/67,999.80
  6. Step 6: Final answer
    x = 49,253.94

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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.