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Finding the Fourth Proportional to 284,954.52, 427,289.22 and 95,349.72

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Solution

The fourth proportional to 284,954.52, 427,289.22 and 95,349.72 is: 142,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,954.52 : 427,289.22 = 95,349.72 : x
  2. Step 2: Convert to fraction form
    284,954.52/427,289.22 = 95,349.72/x
  3. Step 3: Cross multiply
    284,954.52x = 427,289.22 × 95,349.72
  4. Step 4: Simplify right side
    284,954.52x = 40,741,907,486.02
  5. Step 5: Solve for x
    x = 40,741,907,486.02/284,954.52
  6. Step 6: Final answer
    x = 142,976.88

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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.