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Finding the Fourth Proportional to 166,712.80, 250,091 and 54,353.56

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Solution

The fourth proportional to 166,712.80, 250,091 and 54,353.56 is: 81,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,712.80 : 250,091 = 54,353.56 : x
  2. Step 2: Convert to fraction form
    166,712.80/250,091 = 54,353.56/x
  3. Step 3: Cross multiply
    166,712.80x = 250,091 × 54,353.56
  4. Step 4: Simplify right side
    166,712.80x = 13,593,336,173.96
  5. Step 5: Solve for x
    x = 13,593,336,173.96/166,712.80
  6. Step 6: Final answer
    x = 81,537.45

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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.