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Finding the Fourth Proportional to 67,952.93, 101,471.78 and 55,497.66

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Solution

The fourth proportional to 67,952.93, 101,471.78 and 55,497.66 is: 82,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,952.93 : 101,471.78 = 55,497.66 : x
  2. Step 2: Convert to fraction form
    67,952.93/101,471.78 = 55,497.66/x
  3. Step 3: Cross multiply
    67,952.93x = 101,471.78 × 55,497.66
  4. Step 4: Simplify right side
    67,952.93x = 5,631,446,449.07
  5. Step 5: Solve for x
    x = 5,631,446,449.07/67,952.93
  6. Step 6: Final answer
    x = 82,872.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.