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Finding the Fourth Proportional to 194,485.99, 291,889.38 and 150,381.49

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Solution

The fourth proportional to 194,485.99, 291,889.38 and 150,381.49 is: 225,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,485.99 : 291,889.38 = 150,381.49 : x
  2. Step 2: Convert to fraction form
    194,485.99/291,889.38 = 150,381.49/x
  3. Step 3: Cross multiply
    194,485.99x = 291,889.38 × 150,381.49
  4. Step 4: Simplify right side
    194,485.99x = 43,894,759,879.58
  5. Step 5: Solve for x
    x = 43,894,759,879.58/194,485.99
  6. Step 6: Final answer
    x = 225,696.26

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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.