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Finding the Fourth Proportional to 300,255.18, 450,410.72 and 110,707.89

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Solution

The fourth proportional to 300,255.18, 450,410.72 and 110,707.89 is: 166,072.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,255.18 : 450,410.72 = 110,707.89 : x
  2. Step 2: Convert to fraction form
    300,255.18/450,410.72 = 110,707.89/x
  3. Step 3: Cross multiply
    300,255.18x = 450,410.72 × 110,707.89
  4. Step 4: Simplify right side
    300,255.18x = 49,864,019,891.04
  5. Step 5: Solve for x
    x = 49,864,019,891.04/300,255.18
  6. Step 6: Final answer
    x = 166,072.14

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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.