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Finding the Fourth Proportional to 69,708.54, 96,198.18 and 37,877.42

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Solution

The fourth proportional to 69,708.54, 96,198.18 and 37,877.42 is: 52,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.54 : 96,198.18 = 37,877.42 : x
  2. Step 2: Convert to fraction form
    69,708.54/96,198.18 = 37,877.42/x
  3. Step 3: Cross multiply
    69,708.54x = 96,198.18 × 37,877.42
  4. Step 4: Simplify right side
    69,708.54x = 3,643,738,867.10
  5. Step 5: Solve for x
    x = 3,643,738,867.10/69,708.54
  6. Step 6: Final answer
    x = 52,271.05

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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.