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Finding the Fourth Proportional to 67,722.51, 101,454.25 and 41,076.64

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Solution

The fourth proportional to 67,722.51, 101,454.25 and 41,076.64 is: 61,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.51 : 101,454.25 = 41,076.64 : x
  2. Step 2: Convert to fraction form
    67,722.51/101,454.25 = 41,076.64/x
  3. Step 3: Cross multiply
    67,722.51x = 101,454.25 × 41,076.64
  4. Step 4: Simplify right side
    67,722.51x = 4,167,399,974.68
  5. Step 5: Solve for x
    x = 4,167,399,974.68/67,722.51
  6. Step 6: Final answer
    x = 61,536.41

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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.