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Finding the Fourth Proportional to 224,902.48, 336,571.26 and 139,473.40

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Solution

The fourth proportional to 224,902.48, 336,571.26 and 139,473.40 is: 208,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,902.48 : 336,571.26 = 139,473.40 : x
  2. Step 2: Convert to fraction form
    224,902.48/336,571.26 = 139,473.40/x
  3. Step 3: Cross multiply
    224,902.48x = 336,571.26 × 139,473.40
  4. Step 4: Simplify right side
    224,902.48x = 46,942,737,974.48
  5. Step 5: Solve for x
    x = 46,942,737,974.48/224,902.48
  6. Step 6: Final answer
    x = 208,724.86

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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.