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Finding the Fourth Proportional to 229,171.20, 343,465.20 and 110,587.20

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Solution

The fourth proportional to 229,171.20, 343,465.20 and 110,587.20 is: 165,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,171.20 : 343,465.20 = 110,587.20 : x
  2. Step 2: Convert to fraction form
    229,171.20/343,465.20 = 110,587.20/x
  3. Step 3: Cross multiply
    229,171.20x = 343,465.20 × 110,587.20
  4. Step 4: Simplify right side
    229,171.20x = 37,982,854,765.44
  5. Step 5: Solve for x
    x = 37,982,854,765.44/229,171.20
  6. Step 6: Final answer
    x = 165,740.09

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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.