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Finding the Fourth Proportional to 246,693.66, 340,445.50 and 151,181.90

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Solution

The fourth proportional to 246,693.66, 340,445.50 and 151,181.90 is: 208,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,693.66 : 340,445.50 = 151,181.90 : x
  2. Step 2: Convert to fraction form
    246,693.66/340,445.50 = 151,181.90/x
  3. Step 3: Cross multiply
    246,693.66x = 340,445.50 × 151,181.90
  4. Step 4: Simplify right side
    246,693.66x = 51,469,196,732.94
  5. Step 5: Solve for x
    x = 51,469,196,732.94/246,693.66
  6. Step 6: Final answer
    x = 208,636.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.