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Finding the Fourth Proportional to 181,625.56, 272,479.80 and 55,283.71

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Solution

The fourth proportional to 181,625.56, 272,479.80 and 55,283.71 is: 82,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.56 : 272,479.80 = 55,283.71 : x
  2. Step 2: Convert to fraction form
    181,625.56/272,479.80 = 55,283.71/x
  3. Step 3: Cross multiply
    181,625.56x = 272,479.80 × 55,283.71
  4. Step 4: Simplify right side
    181,625.56x = 15,063,694,244.06
  5. Step 5: Solve for x
    x = 15,063,694,244.06/181,625.56
  6. Step 6: Final answer
    x = 82,938.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.