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Finding the Fourth Proportional to 167,106.20, 250,659.30 and 161,201.30

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Solution

The fourth proportional to 167,106.20, 250,659.30 and 161,201.30 is: 241,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,106.20 : 250,659.30 = 161,201.30 : x
  2. Step 2: Convert to fraction form
    167,106.20/250,659.30 = 161,201.30/x
  3. Step 3: Cross multiply
    167,106.20x = 250,659.30 × 161,201.30
  4. Step 4: Simplify right side
    167,106.20x = 40,406,605,017.09
  5. Step 5: Solve for x
    x = 40,406,605,017.09/167,106.20
  6. Step 6: Final answer
    x = 241,801.95

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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.