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Finding the Fourth Proportional to 63,178.75, 94,767.73 and 15,793.60

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Solution

The fourth proportional to 63,178.75, 94,767.73 and 15,793.60 is: 23,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,178.75 : 94,767.73 = 15,793.60 : x
  2. Step 2: Convert to fraction form
    63,178.75/94,767.73 = 15,793.60/x
  3. Step 3: Cross multiply
    63,178.75x = 94,767.73 × 15,793.60
  4. Step 4: Simplify right side
    63,178.75x = 1,496,723,620.53
  5. Step 5: Solve for x
    x = 1,496,723,620.53/63,178.75
  6. Step 6: Final answer
    x = 23,690.30

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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.