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Finding the Fourth Proportional to 179,659.86, 269,443.76 and 53,270.61

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Solution

The fourth proportional to 179,659.86, 269,443.76 and 53,270.61 is: 79,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,659.86 : 269,443.76 = 53,270.61 : x
  2. Step 2: Convert to fraction form
    179,659.86/269,443.76 = 53,270.61/x
  3. Step 3: Cross multiply
    179,659.86x = 269,443.76 × 53,270.61
  4. Step 4: Simplify right side
    179,659.86x = 14,353,433,189.54
  5. Step 5: Solve for x
    x = 14,353,433,189.54/179,659.86
  6. Step 6: Final answer
    x = 79,892.27

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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.