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Finding the Fourth Proportional to 175,986.93, 263,916 and 63,640.20

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Solution

The fourth proportional to 175,986.93, 263,916 and 63,640.20 is: 95,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,986.93 : 263,916 = 63,640.20 : x
  2. Step 2: Convert to fraction form
    175,986.93/263,916 = 63,640.20/x
  3. Step 3: Cross multiply
    175,986.93x = 263,916 × 63,640.20
  4. Step 4: Simplify right side
    175,986.93x = 16,795,667,023.20
  5. Step 5: Solve for x
    x = 16,795,667,023.20/175,986.93
  6. Step 6: Final answer
    x = 95,437.01

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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.