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Finding the Fourth Proportional to 89,193.98, 133,834.61 and 39,267.81

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Solution

The fourth proportional to 89,193.98, 133,834.61 and 39,267.81 is: 58,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,193.98 : 133,834.61 = 39,267.81 : x
  2. Step 2: Convert to fraction form
    89,193.98/133,834.61 = 39,267.81/x
  3. Step 3: Cross multiply
    89,193.98x = 133,834.61 × 39,267.81
  4. Step 4: Simplify right side
    89,193.98x = 5,255,392,135.07
  5. Step 5: Solve for x
    x = 5,255,392,135.07/89,193.98
  6. Step 6: Final answer
    x = 58,920.93

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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.