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Finding the Fourth Proportional to 69,710.73, 96,198.23 and 37,878.94

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Solution

The fourth proportional to 69,710.73, 96,198.23 and 37,878.94 is: 52,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,710.73 : 96,198.23 = 37,878.94 : x
  2. Step 2: Convert to fraction form
    69,710.73/96,198.23 = 37,878.94/x
  3. Step 3: Cross multiply
    69,710.73x = 96,198.23 × 37,878.94
  4. Step 4: Simplify right side
    69,710.73x = 3,643,887,197.22
  5. Step 5: Solve for x
    x = 3,643,887,197.22/69,710.73
  6. Step 6: Final answer
    x = 52,271.54

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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.