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Finding the Fourth Proportional to 194,323.98, 291,485.97 and 75,912.29

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Solution

The fourth proportional to 194,323.98, 291,485.97 and 75,912.29 is: 113,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,323.98 : 291,485.97 = 75,912.29 : x
  2. Step 2: Convert to fraction form
    194,323.98/291,485.97 = 75,912.29/x
  3. Step 3: Cross multiply
    194,323.98x = 291,485.97 × 75,912.29
  4. Step 4: Simplify right side
    194,323.98x = 22,127,366,028.14
  5. Step 5: Solve for x
    x = 22,127,366,028.14/194,323.98
  6. Step 6: Final answer
    x = 113,868.43

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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.