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Finding the Fourth Proportional to 167,867.73, 251,776.76 and 61,226.73

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Solution

The fourth proportional to 167,867.73, 251,776.76 and 61,226.73 is: 91,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,867.73 : 251,776.76 = 61,226.73 : x
  2. Step 2: Convert to fraction form
    167,867.73/251,776.76 = 61,226.73/x
  3. Step 3: Cross multiply
    167,867.73x = 251,776.76 × 61,226.73
  4. Step 4: Simplify right side
    167,867.73x = 15,415,467,857.86
  5. Step 5: Solve for x
    x = 15,415,467,857.86/167,867.73
  6. Step 6: Final answer
    x = 91,831.04

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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.