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Finding the Fourth Proportional to 64,195.80, 96,111.45 and 60,704.70

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Solution

The fourth proportional to 64,195.80, 96,111.45 and 60,704.70 is: 90,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.80 : 96,111.45 = 60,704.70 : x
  2. Step 2: Convert to fraction form
    64,195.80/96,111.45 = 60,704.70/x
  3. Step 3: Cross multiply
    64,195.80x = 96,111.45 × 60,704.70
  4. Step 4: Simplify right side
    64,195.80x = 5,834,416,738.82
  5. Step 5: Solve for x
    x = 5,834,416,738.82/64,195.80
  6. Step 6: Final answer
    x = 90,884.71

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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.