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Finding the Fourth Proportional to 215,820.44, 323,760.21 and 73,627.54

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Solution

The fourth proportional to 215,820.44, 323,760.21 and 73,627.54 is: 110,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,820.44 : 323,760.21 = 73,627.54 : x
  2. Step 2: Convert to fraction form
    215,820.44/323,760.21 = 73,627.54/x
  3. Step 3: Cross multiply
    215,820.44x = 323,760.21 × 73,627.54
  4. Step 4: Simplify right side
    215,820.44x = 23,837,668,621.58
  5. Step 5: Solve for x
    x = 23,837,668,621.58/215,820.44
  6. Step 6: Final answer
    x = 110,451.39

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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.