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Finding the Fourth Proportional to 89,366.70, 134,053.26 and 44,969.28

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Solution

The fourth proportional to 89,366.70, 134,053.26 and 44,969.28 is: 67,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366.70 : 134,053.26 = 44,969.28 : x
  2. Step 2: Convert to fraction form
    89,366.70/134,053.26 = 44,969.28/x
  3. Step 3: Cross multiply
    89,366.70x = 134,053.26 × 44,969.28
  4. Step 4: Simplify right side
    89,366.70x = 6,028,278,583.85
  5. Step 5: Solve for x
    x = 6,028,278,583.85/89,366.70
  6. Step 6: Final answer
    x = 67,455.54

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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.