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Finding the Fourth Proportional to 193,855.01, 290,663.42 and 75,388.23

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Solution

The fourth proportional to 193,855.01, 290,663.42 and 75,388.23 is: 113,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,855.01 : 290,663.42 = 75,388.23 : x
  2. Step 2: Convert to fraction form
    193,855.01/290,663.42 = 75,388.23/x
  3. Step 3: Cross multiply
    193,855.01x = 290,663.42 × 75,388.23
  4. Step 4: Simplify right side
    193,855.01x = 21,912,600,382.61
  5. Step 5: Solve for x
    x = 21,912,600,382.61/193,855.01
  6. Step 6: Final answer
    x = 113,036.03

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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.