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Finding the Fourth Proportional to 239,820.39, 330,960.56 and 132,394.41

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Solution

The fourth proportional to 239,820.39, 330,960.56 and 132,394.41 is: 182,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,820.39 : 330,960.56 = 132,394.41 : x
  2. Step 2: Convert to fraction form
    239,820.39/330,960.56 = 132,394.41/x
  3. Step 3: Cross multiply
    239,820.39x = 330,960.56 × 132,394.41
  4. Step 4: Simplify right side
    239,820.39x = 43,817,327,412.50
  5. Step 5: Solve for x
    x = 43,817,327,412.50/239,820.39
  6. Step 6: Final answer
    x = 182,708.93

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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.