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Finding the Fourth Proportional to 108,889.71, 150,241.50 and 63,541.80

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Solution

The fourth proportional to 108,889.71, 150,241.50 and 63,541.80 is: 87,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.71 : 150,241.50 = 63,541.80 : x
  2. Step 2: Convert to fraction form
    108,889.71/150,241.50 = 63,541.80/x
  3. Step 3: Cross multiply
    108,889.71x = 150,241.50 × 63,541.80
  4. Step 4: Simplify right side
    108,889.71x = 9,546,615,344.70
  5. Step 5: Solve for x
    x = 9,546,615,344.70/108,889.71
  6. Step 6: Final answer
    x = 87,672.34

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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.