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Finding the Fourth Proportional to 73,295.88, 101,148.31 and 39,761.88

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Solution

The fourth proportional to 73,295.88, 101,148.31 and 39,761.88 is: 54,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,295.88 : 101,148.31 = 39,761.88 : x
  2. Step 2: Convert to fraction form
    73,295.88/101,148.31 = 39,761.88/x
  3. Step 3: Cross multiply
    73,295.88x = 101,148.31 × 39,761.88
  4. Step 4: Simplify right side
    73,295.88x = 4,021,846,964.42
  5. Step 5: Solve for x
    x = 4,021,846,964.42/73,295.88
  6. Step 6: Final answer
    x = 54,871.39

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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.