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Finding the Fourth Proportional to 253,680.44, 350,081.58 and 153,059

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Solution

The fourth proportional to 253,680.44, 350,081.58 and 153,059 is: 211,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,680.44 : 350,081.58 = 153,059 : x
  2. Step 2: Convert to fraction form
    253,680.44/350,081.58 = 153,059/x
  3. Step 3: Cross multiply
    253,680.44x = 350,081.58 × 153,059
  4. Step 4: Simplify right side
    253,680.44x = 53,583,136,553.22
  5. Step 5: Solve for x
    x = 53,583,136,553.22/253,680.44
  6. Step 6: Final answer
    x = 211,222.97

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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.