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Finding the Fourth Proportional to 69,705.81, 96,194.60 and 37,874.71

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Solution

The fourth proportional to 69,705.81, 96,194.60 and 37,874.71 is: 52,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,705.81 : 96,194.60 = 37,874.71 : x
  2. Step 2: Convert to fraction form
    69,705.81/96,194.60 = 37,874.71/x
  3. Step 3: Cross multiply
    69,705.81x = 96,194.60 × 37,874.71
  4. Step 4: Simplify right side
    69,705.81x = 3,643,342,163.63
  5. Step 5: Solve for x
    x = 3,643,342,163.63/69,705.81
  6. Step 6: Final answer
    x = 52,267.41

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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.