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Finding the Fourth Proportional to 101,074.32, 151,618.77 and 30,944.52

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Solution

The fourth proportional to 101,074.32, 151,618.77 and 30,944.52 is: 46,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,074.32 : 151,618.77 = 30,944.52 : x
  2. Step 2: Convert to fraction form
    101,074.32/151,618.77 = 30,944.52/x
  3. Step 3: Cross multiply
    101,074.32x = 151,618.77 × 30,944.52
  4. Step 4: Simplify right side
    101,074.32x = 4,691,770,060.64
  5. Step 5: Solve for x
    x = 4,691,770,060.64/101,074.32
  6. Step 6: Final answer
    x = 46,419.01

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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.