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Finding the Fourth Proportional to 73,378.26, 110,052 and 20,773.62

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Solution

The fourth proportional to 73,378.26, 110,052 and 20,773.62 is: 31,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,378.26 : 110,052 = 20,773.62 : x
  2. Step 2: Convert to fraction form
    73,378.26/110,052 = 20,773.62/x
  3. Step 3: Cross multiply
    73,378.26x = 110,052 × 20,773.62
  4. Step 4: Simplify right side
    73,378.26x = 2,286,178,428.24
  5. Step 5: Solve for x
    x = 2,286,178,428.24/73,378.26
  6. Step 6: Final answer
    x = 31,156.07

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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.