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Finding the Fourth Proportional to 73,259.70, 101,093.50 and 40,988.73

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Solution

The fourth proportional to 73,259.70, 101,093.50 and 40,988.73 is: 56,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.70 : 101,093.50 = 40,988.73 : x
  2. Step 2: Convert to fraction form
    73,259.70/101,093.50 = 40,988.73/x
  3. Step 3: Cross multiply
    73,259.70x = 101,093.50 × 40,988.73
  4. Step 4: Simplify right side
    73,259.70x = 4,143,694,176.26
  5. Step 5: Solve for x
    x = 4,143,694,176.26/73,259.70
  6. Step 6: Final answer
    x = 56,561.71

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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.