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Finding the Fourth Proportional to 113,897.78, 170,846.27 and 30,791.78

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Solution

The fourth proportional to 113,897.78, 170,846.27 and 30,791.78 is: 46,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,897.78 : 170,846.27 = 30,791.78 : x
  2. Step 2: Convert to fraction form
    113,897.78/170,846.27 = 30,791.78/x
  3. Step 3: Cross multiply
    113,897.78x = 170,846.27 × 30,791.78
  4. Step 4: Simplify right side
    113,897.78x = 5,260,660,605.70
  5. Step 5: Solve for x
    x = 5,260,660,605.70/113,897.78
  6. Step 6: Final answer
    x = 46,187.56

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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.