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Finding the Fourth Proportional to 301,169.92, 451,655.36 and 101,440.72

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Solution

The fourth proportional to 301,169.92, 451,655.36 and 101,440.72 is: 152,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,169.92 : 451,655.36 = 101,440.72 : x
  2. Step 2: Convert to fraction form
    301,169.92/451,655.36 = 101,440.72/x
  3. Step 3: Cross multiply
    301,169.92x = 451,655.36 × 101,440.72
  4. Step 4: Simplify right side
    301,169.92x = 45,816,244,910.26
  5. Step 5: Solve for x
    x = 45,816,244,910.26/301,169.92
  6. Step 6: Final answer
    x = 152,127.56

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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.