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Finding the Fourth Proportional to 102,611.67, 141,627.68 and 60,183.87

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Solution

The fourth proportional to 102,611.67, 141,627.68 and 60,183.87 is: 83,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,611.67 : 141,627.68 = 60,183.87 : x
  2. Step 2: Convert to fraction form
    102,611.67/141,627.68 = 60,183.87/x
  3. Step 3: Cross multiply
    102,611.67x = 141,627.68 × 60,183.87
  4. Step 4: Simplify right side
    102,611.67x = 8,523,701,881.52
  5. Step 5: Solve for x
    x = 8,523,701,881.52/102,611.67
  6. Step 6: Final answer
    x = 83,067.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.