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Finding the Fourth Proportional to 234,679.32, 323,900.10 and 153,964.44

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Solution

The fourth proportional to 234,679.32, 323,900.10 and 153,964.44 is: 212,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,679.32 : 323,900.10 = 153,964.44 : x
  2. Step 2: Convert to fraction form
    234,679.32/323,900.10 = 153,964.44/x
  3. Step 3: Cross multiply
    234,679.32x = 323,900.10 × 153,964.44
  4. Step 4: Simplify right side
    234,679.32x = 49,869,097,512.44
  5. Step 5: Solve for x
    x = 49,869,097,512.44/234,679.32
  6. Step 6: Final answer
    x = 212,498.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.