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Finding the Fourth Proportional to 166,133.20, 248,902.80 and 101,099.20

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Solution

The fourth proportional to 166,133.20, 248,902.80 and 101,099.20 is: 151,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,133.20 : 248,902.80 = 101,099.20 : x
  2. Step 2: Convert to fraction form
    166,133.20/248,902.80 = 101,099.20/x
  3. Step 3: Cross multiply
    166,133.20x = 248,902.80 × 101,099.20
  4. Step 4: Simplify right side
    166,133.20x = 25,163,873,957.76
  5. Step 5: Solve for x
    x = 25,163,873,957.76/166,133.20
  6. Step 6: Final answer
    x = 151,468.06

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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.