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Finding the Fourth Proportional to 101,299.80, 151,935.57 and 34,738.86

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Solution

The fourth proportional to 101,299.80, 151,935.57 and 34,738.86 is: 52,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,299.80 : 151,935.57 = 34,738.86 : x
  2. Step 2: Convert to fraction form
    101,299.80/151,935.57 = 34,738.86/x
  3. Step 3: Cross multiply
    101,299.80x = 151,935.57 × 34,738.86
  4. Step 4: Simplify right side
    101,299.80x = 5,278,068,495.25
  5. Step 5: Solve for x
    x = 5,278,068,495.25/101,299.80
  6. Step 6: Final answer
    x = 52,103.44

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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.