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Finding the Fourth Proportional to 245,469.51, 368,203.68 and 67,975.97

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Solution

The fourth proportional to 245,469.51, 368,203.68 and 67,975.97 is: 101,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,469.51 : 368,203.68 = 67,975.97 : x
  2. Step 2: Convert to fraction form
    245,469.51/368,203.68 = 67,975.97/x
  3. Step 3: Cross multiply
    245,469.51x = 368,203.68 × 67,975.97
  4. Step 4: Simplify right side
    245,469.51x = 25,029,000,464.55
  5. Step 5: Solve for x
    x = 25,029,000,464.55/245,469.51
  6. Step 6: Final answer
    x = 101,963.79

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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.