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Finding the Fourth Proportional to 272,354.54, 408,542.81 and 94,879.49

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Solution

The fourth proportional to 272,354.54, 408,542.81 and 94,879.49 is: 142,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,354.54 : 408,542.81 = 94,879.49 : x
  2. Step 2: Convert to fraction form
    272,354.54/408,542.81 = 94,879.49/x
  3. Step 3: Cross multiply
    272,354.54x = 408,542.81 × 94,879.49
  4. Step 4: Simplify right side
    272,354.54x = 38,762,330,938.86
  5. Step 5: Solve for x
    x = 38,762,330,938.86/272,354.54
  6. Step 6: Final answer
    x = 142,323.06

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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.