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Finding the Fourth Proportional to 73,401.25, 110,107.37 and 20,814.97

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Solution

The fourth proportional to 73,401.25, 110,107.37 and 20,814.97 is: 31,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,401.25 : 110,107.37 = 20,814.97 : x
  2. Step 2: Convert to fraction form
    73,401.25/110,107.37 = 20,814.97/x
  3. Step 3: Cross multiply
    73,401.25x = 110,107.37 × 20,814.97
  4. Step 4: Simplify right side
    73,401.25x = 2,291,881,603.33
  5. Step 5: Solve for x
    x = 2,291,881,603.33/73,401.25
  6. Step 6: Final answer
    x = 31,224.01

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1.5x scale

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.