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Finding the Fourth Proportional to 269,672.44, 372,145.44 and 148,814.80

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Solution

The fourth proportional to 269,672.44, 372,145.44 and 148,814.80 is: 205,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,672.44 : 372,145.44 = 148,814.80 : x
  2. Step 2: Convert to fraction form
    269,672.44/372,145.44 = 148,814.80/x
  3. Step 3: Cross multiply
    269,672.44x = 372,145.44 × 148,814.80
  4. Step 4: Simplify right side
    269,672.44x = 55,380,749,224.51
  5. Step 5: Solve for x
    x = 55,380,749,224.51/269,672.44
  6. Step 6: Final answer
    x = 205,363.03

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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.