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Finding the Fourth Proportional to 368,067.22, 551,707.16 and 168,087.94

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Solution

The fourth proportional to 368,067.22, 551,707.16 and 168,087.94 is: 251,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,067.22 : 551,707.16 = 168,087.94 : x
  2. Step 2: Convert to fraction form
    368,067.22/551,707.16 = 168,087.94/x
  3. Step 3: Cross multiply
    368,067.22x = 551,707.16 × 168,087.94
  4. Step 4: Simplify right side
    368,067.22x = 92,735,319,048.60
  5. Step 5: Solve for x
    x = 92,735,319,048.60/368,067.22
  6. Step 6: Final answer
    x = 251,952.13

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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.