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Finding the Fourth Proportional to 239,777.68, 330,893.22 and 132,347.74

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Solution

The fourth proportional to 239,777.68, 330,893.22 and 132,347.74 is: 182,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,777.68 : 330,893.22 = 132,347.74 : x
  2. Step 2: Convert to fraction form
    239,777.68/330,893.22 = 132,347.74/x
  3. Step 3: Cross multiply
    239,777.68x = 330,893.22 × 132,347.74
  4. Step 4: Simplify right side
    239,777.68x = 43,792,969,517.39
  5. Step 5: Solve for x
    x = 43,792,969,517.39/239,777.68
  6. Step 6: Final answer
    x = 182,639.89

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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.