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Finding the Fourth Proportional to 100,161.75, 150,301.66 and 37,026.51

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Solution

The fourth proportional to 100,161.75, 150,301.66 and 37,026.51 is: 55,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,161.75 : 150,301.66 = 37,026.51 : x
  2. Step 2: Convert to fraction form
    100,161.75/150,301.66 = 37,026.51/x
  3. Step 3: Cross multiply
    100,161.75x = 150,301.66 × 37,026.51
  4. Step 4: Simplify right side
    100,161.75x = 5,565,145,917.01
  5. Step 5: Solve for x
    x = 5,565,145,917.01/100,161.75
  6. Step 6: Final answer
    x = 55,561.59

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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.