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Finding the Fourth Proportional to 101,441.72, 151,958.64 and 47,329.94

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Solution

The fourth proportional to 101,441.72, 151,958.64 and 47,329.94 is: 70,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,441.72 : 151,958.64 = 47,329.94 : x
  2. Step 2: Convert to fraction form
    101,441.72/151,958.64 = 47,329.94/x
  3. Step 3: Cross multiply
    101,441.72x = 151,958.64 × 47,329.94
  4. Step 4: Simplify right side
    101,441.72x = 7,192,193,313.68
  5. Step 5: Solve for x
    x = 7,192,193,313.68/101,441.72
  6. Step 6: Final answer
    x = 70,899.76

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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.