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Finding the Fourth Proportional to 73,797.89, 110,697.53 and 21,207.38

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Solution

The fourth proportional to 73,797.89, 110,697.53 and 21,207.38 is: 31,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,797.89 : 110,697.53 = 21,207.38 : x
  2. Step 2: Convert to fraction form
    73,797.89/110,697.53 = 21,207.38/x
  3. Step 3: Cross multiply
    73,797.89x = 110,697.53 × 21,207.38
  4. Step 4: Simplify right side
    73,797.89x = 2,347,603,924.25
  5. Step 5: Solve for x
    x = 2,347,603,924.25/73,797.89
  6. Step 6: Final answer
    x = 31,811.26

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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.