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Finding the Fourth Proportional to 367,615.26, 551,121.57 and 130,823.10

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Solution

The fourth proportional to 367,615.26, 551,121.57 and 130,823.10 is: 196,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,615.26 : 551,121.57 = 130,823.10 : x
  2. Step 2: Convert to fraction form
    367,615.26/551,121.57 = 130,823.10/x
  3. Step 3: Cross multiply
    367,615.26x = 551,121.57 × 130,823.10
  4. Step 4: Simplify right side
    367,615.26x = 72,099,432,264.27
  5. Step 5: Solve for x
    x = 72,099,432,264.27/367,615.26
  6. Step 6: Final answer
    x = 196,127.42

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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.