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Finding the Fourth Proportional to 224,640.36, 336,847.86 and 74,827.98

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Solution

The fourth proportional to 224,640.36, 336,847.86 and 74,827.98 is: 112,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,640.36 : 336,847.86 = 74,827.98 : x
  2. Step 2: Convert to fraction form
    224,640.36/336,847.86 = 74,827.98/x
  3. Step 3: Cross multiply
    224,640.36x = 336,847.86 × 74,827.98
  4. Step 4: Simplify right side
    224,640.36x = 25,205,644,931.12
  5. Step 5: Solve for x
    x = 25,205,644,931.12/224,640.36
  6. Step 6: Final answer
    x = 112,204.44

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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.