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Finding the Fourth Proportional to 239,690.46, 330,772.47 and 132,260.43

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Solution

The fourth proportional to 239,690.46, 330,772.47 and 132,260.43 is: 182,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,690.46 : 330,772.47 = 132,260.43 : x
  2. Step 2: Convert to fraction form
    239,690.46/330,772.47 = 132,260.43/x
  3. Step 3: Cross multiply
    239,690.46x = 330,772.47 × 132,260.43
  4. Step 4: Simplify right side
    239,690.46x = 43,748,109,114.36
  5. Step 5: Solve for x
    x = 43,748,109,114.36/239,690.46
  6. Step 6: Final answer
    x = 182,519.19

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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.