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Finding the Fourth Proportional to 89,952.58, 134,905.31 and 26,755.71

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Solution

The fourth proportional to 89,952.58, 134,905.31 and 26,755.71 is: 40,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,952.58 : 134,905.31 = 26,755.71 : x
  2. Step 2: Convert to fraction form
    89,952.58/134,905.31 = 26,755.71/x
  3. Step 3: Cross multiply
    89,952.58x = 134,905.31 × 26,755.71
  4. Step 4: Simplify right side
    89,952.58x = 3,609,487,351.82
  5. Step 5: Solve for x
    x = 3,609,487,351.82/89,952.58
  6. Step 6: Final answer
    x = 40,126.56

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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.