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Finding the Fourth Proportional to 135,600.72, 203,259.87 and 45,576.60

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Solution

The fourth proportional to 135,600.72, 203,259.87 and 45,576.60 is: 68,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,600.72 : 203,259.87 = 45,576.60 : x
  2. Step 2: Convert to fraction form
    135,600.72/203,259.87 = 45,576.60/x
  3. Step 3: Cross multiply
    135,600.72x = 203,259.87 × 45,576.60
  4. Step 4: Simplify right side
    135,600.72x = 9,263,893,791.04
  5. Step 5: Solve for x
    x = 9,263,893,791.04/135,600.72
  6. Step 6: Final answer
    x = 68,317.44

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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.