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Finding the Fourth Proportional to 301,013.08, 451,529.18 and 111,520.88

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Solution

The fourth proportional to 301,013.08, 451,529.18 and 111,520.88 is: 167,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,013.08 : 451,529.18 = 111,520.88 : x
  2. Step 2: Convert to fraction form
    301,013.08/451,529.18 = 111,520.88/x
  3. Step 3: Cross multiply
    301,013.08x = 451,529.18 × 111,520.88
  4. Step 4: Simplify right side
    301,013.08x = 50,354,931,499.28
  5. Step 5: Solve for x
    x = 50,354,931,499.28/301,013.08
  6. Step 6: Final answer
    x = 167,284.86

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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.