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Finding the Fourth Proportional to 267,902.19, 401,853.27 and 80,913.69

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Solution

The fourth proportional to 267,902.19, 401,853.27 and 80,913.69 is: 121,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,902.19 : 401,853.27 = 80,913.69 : x
  2. Step 2: Convert to fraction form
    267,902.19/401,853.27 = 80,913.69/x
  3. Step 3: Cross multiply
    267,902.19x = 401,853.27 × 80,913.69
  4. Step 4: Simplify right side
    267,902.19x = 32,515,430,914.27
  5. Step 5: Solve for x
    x = 32,515,430,914.27/267,902.19
  6. Step 6: Final answer
    x = 121,370.53

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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.