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Finding the Fourth Proportional to 167,470.80, 251,133.30 and 55,107.60

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Solution

The fourth proportional to 167,470.80, 251,133.30 and 55,107.60 is: 82,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,470.80 : 251,133.30 = 55,107.60 : x
  2. Step 2: Convert to fraction form
    167,470.80/251,133.30 = 55,107.60/x
  3. Step 3: Cross multiply
    167,470.80x = 251,133.30 × 55,107.60
  4. Step 4: Simplify right side
    167,470.80x = 13,839,353,443.08
  5. Step 5: Solve for x
    x = 13,839,353,443.08/167,470.80
  6. Step 6: Final answer
    x = 82,637.41

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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.