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Finding the Fourth Proportional to 182,142.60, 273,213.90 and 71,334.60

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Solution

The fourth proportional to 182,142.60, 273,213.90 and 71,334.60 is: 107,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,142.60 : 273,213.90 = 71,334.60 : x
  2. Step 2: Convert to fraction form
    182,142.60/273,213.90 = 71,334.60/x
  3. Step 3: Cross multiply
    182,142.60x = 273,213.90 × 71,334.60
  4. Step 4: Simplify right side
    182,142.60x = 19,489,604,270.94
  5. Step 5: Solve for x
    x = 19,489,604,270.94/182,142.60
  6. Step 6: Final answer
    x = 107,001.90

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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.