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Finding the Fourth Proportional to 107,906.80, 161,878.70 and 33,025.09

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Solution

The fourth proportional to 107,906.80, 161,878.70 and 33,025.09 is: 49,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.80 : 161,878.70 = 33,025.09 : x
  2. Step 2: Convert to fraction form
    107,906.80/161,878.70 = 33,025.09/x
  3. Step 3: Cross multiply
    107,906.80x = 161,878.70 × 33,025.09
  4. Step 4: Simplify right side
    107,906.80x = 5,346,058,636.58
  5. Step 5: Solve for x
    x = 5,346,058,636.58/107,906.80
  6. Step 6: Final answer
    x = 49,543.30

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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.