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Finding the Fourth Proportional to 182,630.40, 252,057.60 and 107,212.80

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Solution

The fourth proportional to 182,630.40, 252,057.60 and 107,212.80 is: 147,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,630.40 : 252,057.60 = 107,212.80 : x
  2. Step 2: Convert to fraction form
    182,630.40/252,057.60 = 107,212.80/x
  3. Step 3: Cross multiply
    182,630.40x = 252,057.60 × 107,212.80
  4. Step 4: Simplify right side
    182,630.40x = 27,023,801,057.28
  5. Step 5: Solve for x
    x = 27,023,801,057.28/182,630.40
  6. Step 6: Final answer
    x = 147,969.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.