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Finding the Fourth Proportional to 195,858.55, 293,786.52 and 94,538.34

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Solution

The fourth proportional to 195,858.55, 293,786.52 and 94,538.34 is: 141,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,858.55 : 293,786.52 = 94,538.34 : x
  2. Step 2: Convert to fraction form
    195,858.55/293,786.52 = 94,538.34/x
  3. Step 3: Cross multiply
    195,858.55x = 293,786.52 × 94,538.34
  4. Step 4: Simplify right side
    195,858.55x = 27,774,089,915.18
  5. Step 5: Solve for x
    x = 27,774,089,915.18/195,858.55
  6. Step 6: Final answer
    x = 141,806.88

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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.