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Finding the Fourth Proportional to 443,243.25, 664,864.88 and 110,819.25

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Solution

The fourth proportional to 443,243.25, 664,864.88 and 110,819.25 is: 166,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,243.25 : 664,864.88 = 110,819.25 : x
  2. Step 2: Convert to fraction form
    443,243.25/664,864.88 = 110,819.25/x
  3. Step 3: Cross multiply
    443,243.25x = 664,864.88 × 110,819.25
  4. Step 4: Simplify right side
    443,243.25x = 73,679,826,798.84
  5. Step 5: Solve for x
    x = 73,679,826,798.84/443,243.25
  6. Step 6: Final answer
    x = 166,228.88

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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.