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Finding the Fourth Proportional to 143,906.22, 215,859.86 and 44,066.01

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Solution

The fourth proportional to 143,906.22, 215,859.86 and 44,066.01 is: 66,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,906.22 : 215,859.86 = 44,066.01 : x
  2. Step 2: Convert to fraction form
    143,906.22/215,859.86 = 44,066.01/x
  3. Step 3: Cross multiply
    143,906.22x = 215,859.86 × 44,066.01
  4. Step 4: Simplify right side
    143,906.22x = 9,512,082,749.36
  5. Step 5: Solve for x
    x = 9,512,082,749.36/143,906.22
  6. Step 6: Final answer
    x = 66,099.18

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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.