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Finding the Fourth Proportional to 169,793.98, 234,301.98 and 98,178.64

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Solution

The fourth proportional to 169,793.98, 234,301.98 and 98,178.64 is: 135,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,793.98 : 234,301.98 = 98,178.64 : x
  2. Step 2: Convert to fraction form
    169,793.98/234,301.98 = 98,178.64/x
  3. Step 3: Cross multiply
    169,793.98x = 234,301.98 × 98,178.64
  4. Step 4: Simplify right side
    169,793.98x = 23,003,449,745.71
  5. Step 5: Solve for x
    x = 23,003,449,745.71/169,793.98
  6. Step 6: Final answer
    x = 135,478.59

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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.