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Finding the Fourth Proportional to 108,539.64, 162,832.85 and 33,658.29

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Solution

The fourth proportional to 108,539.64, 162,832.85 and 33,658.29 is: 50,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,539.64 : 162,832.85 = 33,658.29 : x
  2. Step 2: Convert to fraction form
    108,539.64/162,832.85 = 33,658.29/x
  3. Step 3: Cross multiply
    108,539.64x = 162,832.85 × 33,658.29
  4. Step 4: Simplify right side
    108,539.64x = 5,480,675,118.54
  5. Step 5: Solve for x
    x = 5,480,675,118.54/108,539.64
  6. Step 6: Final answer
    x = 50,494.69

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1.5x scale

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.