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Finding the Fourth Proportional to 167,814.39, 251,661.65 and 55,473.87

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Solution

The fourth proportional to 167,814.39, 251,661.65 and 55,473.87 is: 83,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,814.39 : 251,661.65 = 55,473.87 : x
  2. Step 2: Convert to fraction form
    167,814.39/251,661.65 = 55,473.87/x
  3. Step 3: Cross multiply
    167,814.39x = 251,661.65 × 55,473.87
  4. Step 4: Simplify right side
    167,814.39x = 13,960,645,378.72
  5. Step 5: Solve for x
    x = 13,960,645,378.72/167,814.39
  6. Step 6: Final answer
    x = 83,190.99

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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.