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Finding the Fourth Proportional to 101,715.14, 152,555.28 and 26,836.05

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Solution

The fourth proportional to 101,715.14, 152,555.28 and 26,836.05 is: 40,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,715.14 : 152,555.28 = 26,836.05 : x
  2. Step 2: Convert to fraction form
    101,715.14/152,555.28 = 26,836.05/x
  3. Step 3: Cross multiply
    101,715.14x = 152,555.28 × 26,836.05
  4. Step 4: Simplify right side
    101,715.14x = 4,093,981,121.84
  5. Step 5: Solve for x
    x = 4,093,981,121.84/101,715.14
  6. Step 6: Final answer
    x = 40,249.48

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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.