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Finding the Fourth Proportional to 89,244.87, 133,879.83 and 26,069.63

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Solution

The fourth proportional to 89,244.87, 133,879.83 and 26,069.63 is: 39,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.87 : 133,879.83 = 26,069.63 : x
  2. Step 2: Convert to fraction form
    89,244.87/133,879.83 = 26,069.63/x
  3. Step 3: Cross multiply
    89,244.87x = 133,879.83 × 26,069.63
  4. Step 4: Simplify right side
    89,244.87x = 3,490,196,963.16
  5. Step 5: Solve for x
    x = 3,490,196,963.16/89,244.87
  6. Step 6: Final answer
    x = 39,108.10

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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.