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Finding the Fourth Proportional to 367,616.26, 551,123.07 and 130,824.10

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Solution

The fourth proportional to 367,616.26, 551,123.07 and 130,824.10 is: 196,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,616.26 : 551,123.07 = 130,824.10 : x
  2. Step 2: Convert to fraction form
    367,616.26/551,123.07 = 130,824.10/x
  3. Step 3: Cross multiply
    367,616.26x = 551,123.07 × 130,824.10
  4. Step 4: Simplify right side
    367,616.26x = 72,100,179,621.99
  5. Step 5: Solve for x
    x = 72,100,179,621.99/367,616.26
  6. Step 6: Final answer
    x = 196,128.92

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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.