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Finding the Fourth Proportional to 111,193.75, 166,806.93 and 35,266.97

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Solution

The fourth proportional to 111,193.75, 166,806.93 and 35,266.97 is: 52,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.75 : 166,806.93 = 35,266.97 : x
  2. Step 2: Convert to fraction form
    111,193.75/166,806.93 = 35,266.97/x
  3. Step 3: Cross multiply
    111,193.75x = 166,806.93 × 35,266.97
  4. Step 4: Simplify right side
    111,193.75x = 5,882,774,996.10
  5. Step 5: Solve for x
    x = 5,882,774,996.10/111,193.75
  6. Step 6: Final answer
    x = 52,905.63

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1.5x scale

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.