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Finding the Fourth Proportional to 169,293.21, 254,023.02 and 68,087.22

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Solution

The fourth proportional to 169,293.21, 254,023.02 and 68,087.22 is: 102,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,293.21 : 254,023.02 = 68,087.22 : x
  2. Step 2: Convert to fraction form
    169,293.21/254,023.02 = 68,087.22/x
  3. Step 3: Cross multiply
    169,293.21x = 254,023.02 × 68,087.22
  4. Step 4: Simplify right side
    169,293.21x = 17,295,721,247.80
  5. Step 5: Solve for x
    x = 17,295,721,247.80/169,293.21
  6. Step 6: Final answer
    x = 102,164.29

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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.