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Finding the Fourth Proportional to 101,464.87, 140,043.59 and 59,028.97

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Solution

The fourth proportional to 101,464.87, 140,043.59 and 59,028.97 is: 81,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,464.87 : 140,043.59 = 59,028.97 : x
  2. Step 2: Convert to fraction form
    101,464.87/140,043.59 = 59,028.97/x
  3. Step 3: Cross multiply
    101,464.87x = 140,043.59 × 59,028.97
  4. Step 4: Simplify right side
    101,464.87x = 8,266,628,872.80
  5. Step 5: Solve for x
    x = 8,266,628,872.80/101,464.87
  6. Step 6: Final answer
    x = 81,472.82

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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.