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Finding the Fourth Proportional to 89,418.66, 134,127.87 and 22,858.86

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Solution

The fourth proportional to 89,418.66, 134,127.87 and 22,858.86 is: 34,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,418.66 : 134,127.87 = 22,858.86 : x
  2. Step 2: Convert to fraction form
    89,418.66/134,127.87 = 22,858.86/x
  3. Step 3: Cross multiply
    89,418.66x = 134,127.87 × 22,858.86
  4. Step 4: Simplify right side
    89,418.66x = 3,066,010,202.43
  5. Step 5: Solve for x
    x = 3,066,010,202.43/89,418.66
  6. Step 6: Final answer
    x = 34,288.26

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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.