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Finding the Fourth Proportional to 253,133.08, 379,404.42 and 140,759.44

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Solution

The fourth proportional to 253,133.08, 379,404.42 and 140,759.44 is: 210,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,133.08 : 379,404.42 = 140,759.44 : x
  2. Step 2: Convert to fraction form
    253,133.08/379,404.42 = 140,759.44/x
  3. Step 3: Cross multiply
    253,133.08x = 379,404.42 × 140,759.44
  4. Step 4: Simplify right side
    253,133.08x = 53,404,753,692.72
  5. Step 5: Solve for x
    x = 53,404,753,692.72/253,133.08
  6. Step 6: Final answer
    x = 210,975.01

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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.