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Finding the Fourth Proportional to 301,168.08, 451,791.36 and 90,827.28

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Solution

The fourth proportional to 301,168.08, 451,791.36 and 90,827.28 is: 136,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,168.08 : 451,791.36 = 90,827.28 : x
  2. Step 2: Convert to fraction form
    301,168.08/451,791.36 = 90,827.28/x
  3. Step 3: Cross multiply
    301,168.08x = 451,791.36 × 90,827.28
  4. Step 4: Simplify right side
    301,168.08x = 41,034,980,356.30
  5. Step 5: Solve for x
    x = 41,034,980,356.30/301,168.08
  6. Step 6: Final answer
    x = 136,252.75

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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.