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Finding the Fourth Proportional to 367,581.80, 551,468.70 and 118,269.80

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Solution

The fourth proportional to 367,581.80, 551,468.70 and 118,269.80 is: 177,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,581.80 : 551,468.70 = 118,269.80 : x
  2. Step 2: Convert to fraction form
    367,581.80/551,468.70 = 118,269.80/x
  3. Step 3: Cross multiply
    367,581.80x = 551,468.70 × 118,269.80
  4. Step 4: Simplify right side
    367,581.80x = 65,222,092,855.26
  5. Step 5: Solve for x
    x = 65,222,092,855.26/367,581.80
  6. Step 6: Final answer
    x = 177,435.59

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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.