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Finding the Fourth Proportional to 253,676.44, 350,076.06 and 153,055

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Solution

The fourth proportional to 253,676.44, 350,076.06 and 153,055 is: 211,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,676.44 : 350,076.06 = 153,055 : x
  2. Step 2: Convert to fraction form
    253,676.44/350,076.06 = 153,055/x
  3. Step 3: Cross multiply
    253,676.44x = 350,076.06 × 153,055
  4. Step 4: Simplify right side
    253,676.44x = 53,580,891,363.30
  5. Step 5: Solve for x
    x = 53,580,891,363.30/253,676.44
  6. Step 6: Final answer
    x = 211,217.45

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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.