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Finding the Fourth Proportional to 441,167.64, 661,729.56 and 141,662.88

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Solution

The fourth proportional to 441,167.64, 661,729.56 and 141,662.88 is: 212,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,167.64 : 661,729.56 = 141,662.88 : x
  2. Step 2: Convert to fraction form
    441,167.64/661,729.56 = 141,662.88/x
  3. Step 3: Cross multiply
    441,167.64x = 661,729.56 × 141,662.88
  4. Step 4: Simplify right side
    441,167.64x = 93,742,515,250.73
  5. Step 5: Solve for x
    x = 93,742,515,250.73/441,167.64
  6. Step 6: Final answer
    x = 212,487.29

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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.