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Finding the Fourth Proportional to 193,544.31, 290,242.43 and 63,682.87

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Solution

The fourth proportional to 193,544.31, 290,242.43 and 63,682.87 is: 95,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,544.31 : 290,242.43 = 63,682.87 : x
  2. Step 2: Convert to fraction form
    193,544.31/290,242.43 = 63,682.87/x
  3. Step 3: Cross multiply
    193,544.31x = 290,242.43 × 63,682.87
  4. Step 4: Simplify right side
    193,544.31x = 18,483,470,938.17
  5. Step 5: Solve for x
    x = 18,483,470,938.17/193,544.31
  6. Step 6: Final answer
    x = 95,499.94

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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.