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Finding the Fourth Proportional to 108,765.08, 150,062.16 and 63,410.97

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Solution

The fourth proportional to 108,765.08, 150,062.16 and 63,410.97 is: 87,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,765.08 : 150,062.16 = 63,410.97 : x
  2. Step 2: Convert to fraction form
    108,765.08/150,062.16 = 63,410.97/x
  3. Step 3: Cross multiply
    108,765.08x = 150,062.16 × 63,410.97
  4. Step 4: Simplify right side
    108,765.08x = 9,515,586,563.16
  5. Step 5: Solve for x
    x = 9,515,586,563.16/108,765.08
  6. Step 6: Final answer
    x = 87,487.52

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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.