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Finding the Fourth Proportional to 159,305.55, 238,958.03 and 47,064.61

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Solution

The fourth proportional to 159,305.55, 238,958.03 and 47,064.61 is: 70,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,305.55 : 238,958.03 = 47,064.61 : x
  2. Step 2: Convert to fraction form
    159,305.55/238,958.03 = 47,064.61/x
  3. Step 3: Cross multiply
    159,305.55x = 238,958.03 × 47,064.61
  4. Step 4: Simplify right side
    159,305.55x = 11,246,467,440.97
  5. Step 5: Solve for x
    x = 11,246,467,440.97/159,305.55
  6. Step 6: Final answer
    x = 70,596.83

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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.