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Finding the Fourth Proportional to 113,067.80, 169,601.70 and 29,961.80

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Solution

The fourth proportional to 113,067.80, 169,601.70 and 29,961.80 is: 44,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,067.80 : 169,601.70 = 29,961.80 : x
  2. Step 2: Convert to fraction form
    113,067.80/169,601.70 = 29,961.80/x
  3. Step 3: Cross multiply
    113,067.80x = 169,601.70 × 29,961.80
  4. Step 4: Simplify right side
    113,067.80x = 5,081,572,215.06
  5. Step 5: Solve for x
    x = 5,081,572,215.06/113,067.80
  6. Step 6: Final answer
    x = 44,942.70

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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.