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Finding the Fourth Proportional to 367,543.75, 551,247.28 and 114,830.44

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Solution

The fourth proportional to 367,543.75, 551,247.28 and 114,830.44 is: 172,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,543.75 : 551,247.28 = 114,830.44 : x
  2. Step 2: Convert to fraction form
    367,543.75/551,247.28 = 114,830.44/x
  3. Step 3: Cross multiply
    367,543.75x = 551,247.28 × 114,830.44
  4. Step 4: Simplify right side
    367,543.75x = 63,299,967,711.20
  5. Step 5: Solve for x
    x = 63,299,967,711.20/367,543.75
  6. Step 6: Final answer
    x = 172,224.31

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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.