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Finding the Fourth Proportional to 302,481.91, 453,617.11 and 89,193.22

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Solution

The fourth proportional to 302,481.91, 453,617.11 and 89,193.22 is: 133,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,481.91 : 453,617.11 = 89,193.22 : x
  2. Step 2: Convert to fraction form
    302,481.91/453,617.11 = 89,193.22/x
  3. Step 3: Cross multiply
    302,481.91x = 453,617.11 × 89,193.22
  4. Step 4: Simplify right side
    302,481.91x = 40,459,569,665.44
  5. Step 5: Solve for x
    x = 40,459,569,665.44/302,481.91
  6. Step 6: Final answer
    x = 133,758.64

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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.