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Finding the Fourth Proportional to 367,600.80, 551,497.20 and 118,288.80

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Solution

The fourth proportional to 367,600.80, 551,497.20 and 118,288.80 is: 177,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,600.80 : 551,497.20 = 118,288.80 : x
  2. Step 2: Convert to fraction form
    367,600.80/551,497.20 = 118,288.80/x
  3. Step 3: Cross multiply
    367,600.80x = 551,497.20 × 118,288.80
  4. Step 4: Simplify right side
    367,600.80x = 65,235,941,991.36
  5. Step 5: Solve for x
    x = 65,235,941,991.36/367,600.80
  6. Step 6: Final answer
    x = 177,464.09

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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.