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Finding the Fourth Proportional to 170,025.87, 255,039.01 and 63,408.21

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Solution

The fourth proportional to 170,025.87, 255,039.01 and 63,408.21 is: 95,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,025.87 : 255,039.01 = 63,408.21 : x
  2. Step 2: Convert to fraction form
    170,025.87/255,039.01 = 63,408.21/x
  3. Step 3: Cross multiply
    170,025.87x = 255,039.01 × 63,408.21
  4. Step 4: Simplify right side
    170,025.87x = 16,171,567,104.27
  5. Step 5: Solve for x
    x = 16,171,567,104.27/170,025.87
  6. Step 6: Final answer
    x = 95,112.39

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1.5x scale

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.