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Finding the Fourth Proportional to 194,040.80, 291,022.80 and 94,200.80

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Solution

The fourth proportional to 194,040.80, 291,022.80 and 94,200.80 is: 141,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,040.80 : 291,022.80 = 94,200.80 : x
  2. Step 2: Convert to fraction form
    194,040.80/291,022.80 = 94,200.80/x
  3. Step 3: Cross multiply
    194,040.80x = 291,022.80 × 94,200.80
  4. Step 4: Simplify right side
    194,040.80x = 27,414,580,578.24
  5. Step 5: Solve for x
    x = 27,414,580,578.24/194,040.80
  6. Step 6: Final answer
    x = 141,282.56

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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.