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Finding the Fourth Proportional to 166,101.45, 248,855.18 and 101,067.45

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Solution

The fourth proportional to 166,101.45, 248,855.18 and 101,067.45 is: 151,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.45 : 248,855.18 = 101,067.45 : x
  2. Step 2: Convert to fraction form
    166,101.45/248,855.18 = 101,067.45/x
  3. Step 3: Cross multiply
    166,101.45x = 248,855.18 × 101,067.45
  4. Step 4: Simplify right side
    166,101.45x = 25,151,157,956.55
  5. Step 5: Solve for x
    x = 25,151,157,956.55/166,101.45
  6. Step 6: Final answer
    x = 151,420.46

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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.