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Finding the Fourth Proportional to 159,786.22, 220,496.40 and 88,152.22

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Solution

The fourth proportional to 159,786.22, 220,496.40 and 88,152.22 is: 121,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,786.22 : 220,496.40 = 88,152.22 : x
  2. Step 2: Convert to fraction form
    159,786.22/220,496.40 = 88,152.22/x
  3. Step 3: Cross multiply
    159,786.22x = 220,496.40 × 88,152.22
  4. Step 4: Simplify right side
    159,786.22x = 19,437,247,162.01
  5. Step 5: Solve for x
    x = 19,437,247,162.01/159,786.22
  6. Step 6: Final answer
    x = 121,645.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.