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Finding the Fourth Proportional to 158,729.10, 237,906 and 69,796.59

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Solution

The fourth proportional to 158,729.10, 237,906 and 69,796.59 is: 104,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,729.10 : 237,906 = 69,796.59 : x
  2. Step 2: Convert to fraction form
    158,729.10/237,906 = 69,796.59/x
  3. Step 3: Cross multiply
    158,729.10x = 237,906 × 69,796.59
  4. Step 4: Simplify right side
    158,729.10x = 16,605,027,540.54
  5. Step 5: Solve for x
    x = 16,605,027,540.54/158,729.10
  6. Step 6: Final answer
    x = 104,612.37

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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.