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Finding the Fourth Proportional to 224,144.56, 336,246 and 91,029.16

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Solution

The fourth proportional to 224,144.56, 336,246 and 91,029.16 is: 136,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,144.56 : 336,246 = 91,029.16 : x
  2. Step 2: Convert to fraction form
    224,144.56/336,246 = 91,029.16/x
  3. Step 3: Cross multiply
    224,144.56x = 336,246 × 91,029.16
  4. Step 4: Simplify right side
    224,144.56x = 30,608,190,933.36
  5. Step 5: Solve for x
    x = 30,608,190,933.36/224,144.56
  6. Step 6: Final answer
    x = 136,555.58

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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.