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Finding the Fourth Proportional to 165,958.30, 248,908.65 and 60,723.10

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Solution

The fourth proportional to 165,958.30, 248,908.65 and 60,723.10 is: 91,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,958.30 : 248,908.65 = 60,723.10 : x
  2. Step 2: Convert to fraction form
    165,958.30/248,908.65 = 60,723.10/x
  3. Step 3: Cross multiply
    165,958.30x = 248,908.65 × 60,723.10
  4. Step 4: Simplify right side
    165,958.30x = 15,114,504,844.82
  5. Step 5: Solve for x
    x = 15,114,504,844.82/165,958.30
  6. Step 6: Final answer
    x = 91,074.11

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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.