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Finding the Fourth Proportional to 167,947.80, 251,848.80 and 55,584.60

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Solution

The fourth proportional to 167,947.80, 251,848.80 and 55,584.60 is: 83,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947.80 : 251,848.80 = 55,584.60 : x
  2. Step 2: Convert to fraction form
    167,947.80/251,848.80 = 55,584.60/x
  3. Step 3: Cross multiply
    167,947.80x = 251,848.80 × 55,584.60
  4. Step 4: Simplify right side
    167,947.80x = 13,998,914,808.48
  5. Step 5: Solve for x
    x = 13,998,914,808.48/167,947.80
  6. Step 6: Final answer
    x = 83,352.77

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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.