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Finding the Fourth Proportional to 368,067.97, 551,708.29 and 168,088.69

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Solution

The fourth proportional to 368,067.97, 551,708.29 and 168,088.69 is: 251,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,067.97 : 551,708.29 = 168,088.69 : x
  2. Step 2: Convert to fraction form
    368,067.97/551,708.29 = 168,088.69/x
  3. Step 3: Cross multiply
    368,067.97x = 551,708.29 × 168,088.69
  4. Step 4: Simplify right side
    368,067.97x = 92,735,921,928.75
  5. Step 5: Solve for x
    x = 92,735,921,928.75/368,067.97
  6. Step 6: Final answer
    x = 251,953.25

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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.