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Finding the Fourth Proportional to 239,668.56, 330,749.54 and 132,245.51

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Solution

The fourth proportional to 239,668.56, 330,749.54 and 132,245.51 is: 182,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668.56 : 330,749.54 = 132,245.51 : x
  2. Step 2: Convert to fraction form
    239,668.56/330,749.54 = 132,245.51/x
  3. Step 3: Cross multiply
    239,668.56x = 330,749.54 × 132,245.51
  4. Step 4: Simplify right side
    239,668.56x = 43,740,142,137.15
  5. Step 5: Solve for x
    x = 43,740,142,137.15/239,668.56
  6. Step 6: Final answer
    x = 182,502.63

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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.