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Finding the Fourth Proportional to 75,906.60, 113,892.30 and 36,443.40

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Solution

The fourth proportional to 75,906.60, 113,892.30 and 36,443.40 is: 54,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,906.60 : 113,892.30 = 36,443.40 : x
  2. Step 2: Convert to fraction form
    75,906.60/113,892.30 = 36,443.40/x
  3. Step 3: Cross multiply
    75,906.60x = 113,892.30 × 36,443.40
  4. Step 4: Simplify right side
    75,906.60x = 4,150,622,645.82
  5. Step 5: Solve for x
    x = 4,150,622,645.82/75,906.60
  6. Step 6: Final answer
    x = 54,680.66

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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.