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Finding the Fourth Proportional to 193,642.60, 290,464.12 and 60,523.56

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Solution

The fourth proportional to 193,642.60, 290,464.12 and 60,523.56 is: 90,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,642.60 : 290,464.12 = 60,523.56 : x
  2. Step 2: Convert to fraction form
    193,642.60/290,464.12 = 60,523.56/x
  3. Step 3: Cross multiply
    193,642.60x = 290,464.12 × 60,523.56
  4. Step 4: Simplify right side
    193,642.60x = 17,579,922,594.67
  5. Step 5: Solve for x
    x = 17,579,922,594.67/193,642.60
  6. Step 6: Final answer
    x = 90,785.41

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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.