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Finding the Fourth Proportional to 90,566.66, 135,805.82 and 27,374.58

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Solution

The fourth proportional to 90,566.66, 135,805.82 and 27,374.58 is: 41,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.66 : 135,805.82 = 27,374.58 : x
  2. Step 2: Convert to fraction form
    90,566.66/135,805.82 = 27,374.58/x
  3. Step 3: Cross multiply
    90,566.66x = 135,805.82 × 27,374.58
  4. Step 4: Simplify right side
    90,566.66x = 3,717,627,147.18
  5. Step 5: Solve for x
    x = 3,717,627,147.18/90,566.66
  6. Step 6: Final answer
    x = 41,048.52

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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.