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Finding the Fourth Proportional to 367,771.56, 551,657.28 and 118,453.56

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Solution

The fourth proportional to 367,771.56, 551,657.28 and 118,453.56 is: 177,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,771.56 : 551,657.28 = 118,453.56 : x
  2. Step 2: Convert to fraction form
    367,771.56/551,657.28 = 118,453.56/x
  3. Step 3: Cross multiply
    367,771.56x = 551,657.28 × 118,453.56
  4. Step 4: Simplify right side
    367,771.56x = 65,345,768,715.92
  5. Step 5: Solve for x
    x = 65,345,768,715.92/367,771.56
  6. Step 6: Final answer
    x = 177,680.32

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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.