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Finding the Fourth Proportional to 254,554.50, 351,292.50 and 141,384.54

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Solution

The fourth proportional to 254,554.50, 351,292.50 and 141,384.54 is: 195,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,554.50 : 351,292.50 = 141,384.54 : x
  2. Step 2: Convert to fraction form
    254,554.50/351,292.50 = 141,384.54/x
  3. Step 3: Cross multiply
    254,554.50x = 351,292.50 × 141,384.54
  4. Step 4: Simplify right side
    254,554.50x = 49,667,328,517.95
  5. Step 5: Solve for x
    x = 49,667,328,517.95/254,554.50
  6. Step 6: Final answer
    x = 195,114.71

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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.