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Finding the Fourth Proportional to 227,028.96, 340,530.75 and 69,245.01

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Solution

The fourth proportional to 227,028.96, 340,530.75 and 69,245.01 is: 103,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,028.96 : 340,530.75 = 69,245.01 : x
  2. Step 2: Convert to fraction form
    227,028.96/340,530.75 = 69,245.01/x
  3. Step 3: Cross multiply
    227,028.96x = 340,530.75 × 69,245.01
  4. Step 4: Simplify right side
    227,028.96x = 23,580,055,189.06
  5. Step 5: Solve for x
    x = 23,580,055,189.06/227,028.96
  6. Step 6: Final answer
    x = 103,863.64

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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.