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Finding the Fourth Proportional to 75,791.66, 113,654.60 and 40,245.25

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Solution

The fourth proportional to 75,791.66, 113,654.60 and 40,245.25 is: 60,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,791.66 : 113,654.60 = 40,245.25 : x
  2. Step 2: Convert to fraction form
    75,791.66/113,654.60 = 40,245.25/x
  3. Step 3: Cross multiply
    75,791.66x = 113,654.60 × 40,245.25
  4. Step 4: Simplify right side
    75,791.66x = 4,574,057,222.38
  5. Step 5: Solve for x
    x = 4,574,057,222.38/75,791.66
  6. Step 6: Final answer
    x = 60,350.40

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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.