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Finding the Fourth Proportional to 114,199.92, 171,299.10 and 89,260.95

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Solution

The fourth proportional to 114,199.92, 171,299.10 and 89,260.95 is: 133,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,199.92 : 171,299.10 = 89,260.95 : x
  2. Step 2: Convert to fraction form
    114,199.92/171,299.10 = 89,260.95/x
  3. Step 3: Cross multiply
    114,199.92x = 171,299.10 × 89,260.95
  4. Step 4: Simplify right side
    114,199.92x = 15,290,320,400.15
  5. Step 5: Solve for x
    x = 15,290,320,400.15/114,199.92
  6. Step 6: Final answer
    x = 133,890.82

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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.