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Finding the Fourth Proportional to 224,063.26, 336,128.05 and 74,270.51

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Solution

The fourth proportional to 224,063.26, 336,128.05 and 74,270.51 is: 111,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,063.26 : 336,128.05 = 74,270.51 : x
  2. Step 2: Convert to fraction form
    224,063.26/336,128.05 = 74,270.51/x
  3. Step 3: Cross multiply
    224,063.26x = 336,128.05 × 74,270.51
  4. Step 4: Simplify right side
    224,063.26x = 24,964,401,899.07
  5. Step 5: Solve for x
    x = 24,964,401,899.07/224,063.26
  6. Step 6: Final answer
    x = 111,416.76

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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.