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Finding the Fourth Proportional to 159,447.39, 239,171.39 and 149,704.31

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Solution

The fourth proportional to 159,447.39, 239,171.39 and 149,704.31 is: 224,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,447.39 : 239,171.39 = 149,704.31 : x
  2. Step 2: Convert to fraction form
    159,447.39/239,171.39 = 149,704.31/x
  3. Step 3: Cross multiply
    159,447.39x = 239,171.39 × 149,704.31
  4. Step 4: Simplify right side
    159,447.39x = 35,804,985,967.31
  5. Step 5: Solve for x
    x = 35,804,985,967.31/159,447.39
  6. Step 6: Final answer
    x = 224,556.74

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1.5x scale

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.