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Finding the Fourth Proportional to 183,796.72, 253,735.80 and 123,683.44

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Solution

The fourth proportional to 183,796.72, 253,735.80 and 123,683.44 is: 170,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,796.72 : 253,735.80 = 123,683.44 : x
  2. Step 2: Convert to fraction form
    183,796.72/253,735.80 = 123,683.44/x
  3. Step 3: Cross multiply
    183,796.72x = 253,735.80 × 123,683.44
  4. Step 4: Simplify right side
    183,796.72x = 31,382,916,595.15
  5. Step 5: Solve for x
    x = 31,382,916,595.15/183,796.72
  6. Step 6: Final answer
    x = 170,747.97

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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.