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Finding the Fourth Proportional to 115,687.08, 173,541.15 and 44,586.90

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Solution

The fourth proportional to 115,687.08, 173,541.15 and 44,586.90 is: 66,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,687.08 : 173,541.15 = 44,586.90 : x
  2. Step 2: Convert to fraction form
    115,687.08/173,541.15 = 44,586.90/x
  3. Step 3: Cross multiply
    115,687.08x = 173,541.15 × 44,586.90
  4. Step 4: Simplify right side
    115,687.08x = 7,737,661,900.94
  5. Step 5: Solve for x
    x = 7,737,661,900.94/115,687.08
  6. Step 6: Final answer
    x = 66,884.41

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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.