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Finding the Fourth Proportional to 69,708.50, 96,198.18 and 37,877.39

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Solution

The fourth proportional to 69,708.50, 96,198.18 and 37,877.39 is: 52,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.50 : 96,198.18 = 37,877.39 : x
  2. Step 2: Convert to fraction form
    69,708.50/96,198.18 = 37,877.39/x
  3. Step 3: Cross multiply
    69,708.50x = 96,198.18 × 37,877.39
  4. Step 4: Simplify right side
    69,708.50x = 3,643,735,981.15
  5. Step 5: Solve for x
    x = 3,643,735,981.15/69,708.50
  6. Step 6: Final answer
    x = 52,271.04

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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.