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Finding the Fourth Proportional to 60,949.36, 91,354.64 and 38,163.86

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Solution

The fourth proportional to 60,949.36, 91,354.64 and 38,163.86 is: 57,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,949.36 : 91,354.64 = 38,163.86 : x
  2. Step 2: Convert to fraction form
    60,949.36/91,354.64 = 38,163.86/x
  3. Step 3: Cross multiply
    60,949.36x = 91,354.64 × 38,163.86
  4. Step 4: Simplify right side
    60,949.36x = 3,486,445,386.30
  5. Step 5: Solve for x
    x = 3,486,445,386.30/60,949.36
  6. Step 6: Final answer
    x = 57,202.33

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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.