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Finding the Fourth Proportional to 75,791.84, 113,680.20 and 23,201.78

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Solution

The fourth proportional to 75,791.84, 113,680.20 and 23,201.78 is: 34,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,791.84 : 113,680.20 = 23,201.78 : x
  2. Step 2: Convert to fraction form
    75,791.84/113,680.20 = 23,201.78/x
  3. Step 3: Cross multiply
    75,791.84x = 113,680.20 × 23,201.78
  4. Step 4: Simplify right side
    75,791.84x = 2,637,582,990.76
  5. Step 5: Solve for x
    x = 2,637,582,990.76/75,791.84
  6. Step 6: Final answer
    x = 34,800.36

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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.