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Finding the Fourth Proportional to 85,244.38, 117,611.15 and 49,427.24

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Solution

The fourth proportional to 85,244.38, 117,611.15 and 49,427.24 is: 68,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.38 : 117,611.15 = 49,427.24 : x
  2. Step 2: Convert to fraction form
    85,244.38/117,611.15 = 49,427.24/x
  3. Step 3: Cross multiply
    85,244.38x = 117,611.15 × 49,427.24
  4. Step 4: Simplify right side
    85,244.38x = 5,813,193,702.53
  5. Step 5: Solve for x
    x = 5,813,193,702.53/85,244.38
  6. Step 6: Final answer
    x = 68,194.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.