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Finding the Fourth Proportional to 193,763.61, 290,662.29 and 53,522.37

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Solution

The fourth proportional to 193,763.61, 290,662.29 and 53,522.37 is: 80,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,763.61 : 290,662.29 = 53,522.37 : x
  2. Step 2: Convert to fraction form
    193,763.61/290,662.29 = 53,522.37/x
  3. Step 3: Cross multiply
    193,763.61x = 290,662.29 × 53,522.37
  4. Step 4: Simplify right side
    193,763.61x = 15,556,934,630.43
  5. Step 5: Solve for x
    x = 15,556,934,630.43/193,763.61
  6. Step 6: Final answer
    x = 80,288.22

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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.