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Finding the Fourth Proportional to 308,067.83, 462,154.29 and 137,351.49

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Solution

The fourth proportional to 308,067.83, 462,154.29 and 137,351.49 is: 206,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,067.83 : 462,154.29 = 137,351.49 : x
  2. Step 2: Convert to fraction form
    308,067.83/462,154.29 = 137,351.49/x
  3. Step 3: Cross multiply
    308,067.83x = 462,154.29 × 137,351.49
  4. Step 4: Simplify right side
    308,067.83x = 63,477,580,341.39
  5. Step 5: Solve for x
    x = 63,477,580,341.39/308,067.83
  6. Step 6: Final answer
    x = 206,050.66

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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.