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Finding the Fourth Proportional to 264,805.87, 396,984.90 and 114,933.50

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Solution

The fourth proportional to 264,805.87, 396,984.90 and 114,933.50 is: 172,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,805.87 : 396,984.90 = 114,933.50 : x
  2. Step 2: Convert to fraction form
    264,805.87/396,984.90 = 114,933.50/x
  3. Step 3: Cross multiply
    264,805.87x = 396,984.90 × 114,933.50
  4. Step 4: Simplify right side
    264,805.87x = 45,626,864,004.15
  5. Step 5: Solve for x
    x = 45,626,864,004.15/264,805.87
  6. Step 6: Final answer
    x = 172,303.07

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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.