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Finding the Fourth Proportional to 108,889.45, 150,241.15 and 63,541.55

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Solution

The fourth proportional to 108,889.45, 150,241.15 and 63,541.55 is: 87,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.45 : 150,241.15 = 63,541.55 : x
  2. Step 2: Convert to fraction form
    108,889.45/150,241.15 = 63,541.55/x
  3. Step 3: Cross multiply
    108,889.45x = 150,241.15 × 63,541.55
  4. Step 4: Simplify right side
    108,889.45x = 9,546,555,436.41
  5. Step 5: Solve for x
    x = 9,546,555,436.41/108,889.45
  6. Step 6: Final answer
    x = 87,672.00

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1.5x scale

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.