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Finding the Fourth Proportional to 89,797.11, 134,695.67 and 49,840.62

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Solution

The fourth proportional to 89,797.11, 134,695.67 and 49,840.62 is: 74,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,797.11 : 134,695.67 = 49,840.62 : x
  2. Step 2: Convert to fraction form
    89,797.11/134,695.67 = 49,840.62/x
  3. Step 3: Cross multiply
    89,797.11x = 134,695.67 × 49,840.62
  4. Step 4: Simplify right side
    89,797.11x = 6,713,315,454.91
  5. Step 5: Solve for x
    x = 6,713,315,454.91/89,797.11
  6. Step 6: Final answer
    x = 74,760.93

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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.