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Finding the Fourth Proportional to 159,669.40, 239,523.20 and 64,879.33

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Solution

The fourth proportional to 159,669.40, 239,523.20 and 64,879.33 is: 97,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,669.40 : 239,523.20 = 64,879.33 : x
  2. Step 2: Convert to fraction form
    159,669.40/239,523.20 = 64,879.33/x
  3. Step 3: Cross multiply
    159,669.40x = 239,523.20 × 64,879.33
  4. Step 4: Simplify right side
    159,669.40x = 15,540,104,735.46
  5. Step 5: Solve for x
    x = 15,540,104,735.46/159,669.40
  6. Step 6: Final answer
    x = 97,326.76

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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.