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Finding the Fourth Proportional to 110,394.96, 165,477.42 and 51,181.80

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Solution

The fourth proportional to 110,394.96, 165,477.42 and 51,181.80 is: 76,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,394.96 : 165,477.42 = 51,181.80 : x
  2. Step 2: Convert to fraction form
    110,394.96/165,477.42 = 51,181.80/x
  3. Step 3: Cross multiply
    110,394.96x = 165,477.42 × 51,181.80
  4. Step 4: Simplify right side
    110,394.96x = 8,469,432,214.96
  5. Step 5: Solve for x
    x = 8,469,432,214.96/110,394.96
  6. Step 6: Final answer
    x = 76,719.37

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1.5x scale

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.