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Finding the Fourth Proportional to 301,091.86, 451,506.57 and 101,358.64

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Solution

The fourth proportional to 301,091.86, 451,506.57 and 101,358.64 is: 151,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,091.86 : 451,506.57 = 101,358.64 : x
  2. Step 2: Convert to fraction form
    301,091.86/451,506.57 = 101,358.64/x
  3. Step 3: Cross multiply
    301,091.86x = 451,506.57 × 101,358.64
  4. Step 4: Simplify right side
    301,091.86x = 45,764,091,886.26
  5. Step 5: Solve for x
    x = 45,764,091,886.26/301,091.86
  6. Step 6: Final answer
    x = 151,993.79

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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.