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Finding the Fourth Proportional to 191,181.30, 263,829.32 and 106,293.30

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Solution

The fourth proportional to 191,181.30, 263,829.32 and 106,293.30 is: 146,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,181.30 : 263,829.32 = 106,293.30 : x
  2. Step 2: Convert to fraction form
    191,181.30/263,829.32 = 106,293.30/x
  3. Step 3: Cross multiply
    191,181.30x = 263,829.32 × 106,293.30
  4. Step 4: Simplify right side
    191,181.30x = 28,043,289,059.56
  5. Step 5: Solve for x
    x = 28,043,289,059.56/191,181.30
  6. Step 6: Final answer
    x = 146,684.27

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