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Finding the Fourth Proportional to 367,677.98, 551,517.39 and 114,959.81

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Solution

The fourth proportional to 367,677.98, 551,517.39 and 114,959.81 is: 172,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,677.98 : 551,517.39 = 114,959.81 : x
  2. Step 2: Convert to fraction form
    367,677.98/551,517.39 = 114,959.81/x
  3. Step 3: Cross multiply
    367,677.98x = 551,517.39 × 114,959.81
  4. Step 4: Simplify right side
    367,677.98x = 63,402,331,608.51
  5. Step 5: Solve for x
    x = 63,402,331,608.51/367,677.98
  6. Step 6: Final answer
    x = 172,439.84

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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.