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Finding the Fourth Proportional to 235,573.75, 353,474.03 and 117,255.43

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Solution

The fourth proportional to 235,573.75, 353,474.03 and 117,255.43 is: 175,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,573.75 : 353,474.03 = 117,255.43 : x
  2. Step 2: Convert to fraction form
    235,573.75/353,474.03 = 117,255.43/x
  3. Step 3: Cross multiply
    235,573.75x = 353,474.03 × 117,255.43
  4. Step 4: Simplify right side
    235,573.75x = 41,446,749,381.48
  5. Step 5: Solve for x
    x = 41,446,749,381.48/235,573.75
  6. Step 6: Final answer
    x = 175,939.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.