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Finding the Fourth Proportional to 252,611.89, 378,806.66 and 94,729.63

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Solution

The fourth proportional to 252,611.89, 378,806.66 and 94,729.63 is: 142,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,611.89 : 378,806.66 = 94,729.63 : x
  2. Step 2: Convert to fraction form
    252,611.89/378,806.66 = 94,729.63/x
  3. Step 3: Cross multiply
    252,611.89x = 378,806.66 × 94,729.63
  4. Step 4: Simplify right side
    252,611.89x = 35,884,213,722.42
  5. Step 5: Solve for x
    x = 35,884,213,722.42/252,611.89
  6. Step 6: Final answer
    x = 142,052.75

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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.