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Finding the Fourth Proportional to 101,122.52, 151,716.22 and 48,535.70

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Solution

The fourth proportional to 101,122.52, 151,716.22 and 48,535.70 is: 72,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,122.52 : 151,716.22 = 48,535.70 : x
  2. Step 2: Convert to fraction form
    101,122.52/151,716.22 = 48,535.70/x
  3. Step 3: Cross multiply
    101,122.52x = 151,716.22 × 48,535.70
  4. Step 4: Simplify right side
    101,122.52x = 7,363,652,939.05
  5. Step 5: Solve for x
    x = 7,363,652,939.05/101,122.52
  6. Step 6: Final answer
    x = 72,819.12

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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.