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Finding the Fourth Proportional to 108,441.68, 149,652.20 and 60,694.64

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Solution

The fourth proportional to 108,441.68, 149,652.20 and 60,694.64 is: 83,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,441.68 : 149,652.20 = 60,694.64 : x
  2. Step 2: Convert to fraction form
    108,441.68/149,652.20 = 60,694.64/x
  3. Step 3: Cross multiply
    108,441.68x = 149,652.20 × 60,694.64
  4. Step 4: Simplify right side
    108,441.68x = 9,083,086,404.21
  5. Step 5: Solve for x
    x = 9,083,086,404.21/108,441.68
  6. Step 6: Final answer
    x = 83,760.10

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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.