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Finding the Fourth Proportional to 254,676.69, 351,245.27 and 157,813.27

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Solution

The fourth proportional to 254,676.69, 351,245.27 and 157,813.27 is: 217,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,676.69 : 351,245.27 = 157,813.27 : x
  2. Step 2: Convert to fraction form
    254,676.69/351,245.27 = 157,813.27/x
  3. Step 3: Cross multiply
    254,676.69x = 351,245.27 × 157,813.27
  4. Step 4: Simplify right side
    254,676.69x = 55,431,163,005.36
  5. Step 5: Solve for x
    x = 55,431,163,005.36/254,676.69
  6. Step 6: Final answer
    x = 217,653.07

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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.