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Finding the Fourth Proportional to 107,481.30, 161,219.20 and 28,596.20

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Solution

The fourth proportional to 107,481.30, 161,219.20 and 28,596.20 is: 42,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,481.30 : 161,219.20 = 28,596.20 : x
  2. Step 2: Convert to fraction form
    107,481.30/161,219.20 = 28,596.20/x
  3. Step 3: Cross multiply
    107,481.30x = 161,219.20 × 28,596.20
  4. Step 4: Simplify right side
    107,481.30x = 4,610,256,487.04
  5. Step 5: Solve for x
    x = 4,610,256,487.04/107,481.30
  6. Step 6: Final answer
    x = 42,893.57

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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.