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Finding the Fourth Proportional to 101,081.92, 151,548 and 48,441.28

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Solution

The fourth proportional to 101,081.92, 151,548 and 48,441.28 is: 72,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,081.92 : 151,548 = 48,441.28 : x
  2. Step 2: Convert to fraction form
    101,081.92/151,548 = 48,441.28/x
  3. Step 3: Cross multiply
    101,081.92x = 151,548 × 48,441.28
  4. Step 4: Simplify right side
    101,081.92x = 7,341,179,101.44
  5. Step 5: Solve for x
    x = 7,341,179,101.44/101,081.92
  6. Step 6: Final answer
    x = 72,626.04

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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.