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Finding the Fourth Proportional to 161,466.91, 242,200.11 and 54,861.95

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Solution

The fourth proportional to 161,466.91, 242,200.11 and 54,861.95 is: 82,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,466.91 : 242,200.11 = 54,861.95 : x
  2. Step 2: Convert to fraction form
    161,466.91/242,200.11 = 54,861.95/x
  3. Step 3: Cross multiply
    161,466.91x = 242,200.11 × 54,861.95
  4. Step 4: Simplify right side
    161,466.91x = 13,287,570,930.31
  5. Step 5: Solve for x
    x = 13,287,570,930.31/161,466.91
  6. Step 6: Final answer
    x = 82,292.84

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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.