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Finding the Fourth Proportional to 73,363.48, 110,045.22 and 20,773.42

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Solution

The fourth proportional to 73,363.48, 110,045.22 and 20,773.42 is: 31,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,363.48 : 110,045.22 = 20,773.42 : x
  2. Step 2: Convert to fraction form
    73,363.48/110,045.22 = 20,773.42/x
  3. Step 3: Cross multiply
    73,363.48x = 110,045.22 × 20,773.42
  4. Step 4: Simplify right side
    73,363.48x = 2,286,015,574.05
  5. Step 5: Solve for x
    x = 2,286,015,574.05/73,363.48
  6. Step 6: Final answer
    x = 31,160.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.