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Finding the Fourth Proportional to 367,544.80, 551,317.20 and 118,226.80

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Solution

The fourth proportional to 367,544.80, 551,317.20 and 118,226.80 is: 177,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,544.80 : 551,317.20 = 118,226.80 : x
  2. Step 2: Convert to fraction form
    367,544.80/551,317.20 = 118,226.80/x
  3. Step 3: Cross multiply
    367,544.80x = 551,317.20 × 118,226.80
  4. Step 4: Simplify right side
    367,544.80x = 65,180,468,340.96
  5. Step 5: Solve for x
    x = 65,180,468,340.96/367,544.80
  6. Step 6: Final answer
    x = 177,340.20

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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.