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Finding the Fourth Proportional to 168,070.22, 252,144.49 and 55,742.22

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Solution

The fourth proportional to 168,070.22, 252,144.49 and 55,742.22 is: 83,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,070.22 : 252,144.49 = 55,742.22 : x
  2. Step 2: Convert to fraction form
    168,070.22/252,144.49 = 55,742.22/x
  3. Step 3: Cross multiply
    168,070.22x = 252,144.49 × 55,742.22
  4. Step 4: Simplify right side
    168,070.22x = 14,055,093,633.37
  5. Step 5: Solve for x
    x = 14,055,093,633.37/168,070.22
  6. Step 6: Final answer
    x = 83,626.32

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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.