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Finding the Fourth Proportional to 220,052.67, 330,039.98 and 100,081.51

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Solution

The fourth proportional to 220,052.67, 330,039.98 and 100,081.51 is: 150,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,052.67 : 330,039.98 = 100,081.51 : x
  2. Step 2: Convert to fraction form
    220,052.67/330,039.98 = 100,081.51/x
  3. Step 3: Cross multiply
    220,052.67x = 330,039.98 × 100,081.51
  4. Step 4: Simplify right side
    220,052.67x = 33,030,899,058.36
  5. Step 5: Solve for x
    x = 33,030,899,058.36/220,052.67
  6. Step 6: Final answer
    x = 150,104.52

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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.