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Finding the Fourth Proportional to 171,213.21, 256,819.41 and 46,554.21

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Solution

The fourth proportional to 171,213.21, 256,819.41 and 46,554.21 is: 69,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,213.21 : 256,819.41 = 46,554.21 : x
  2. Step 2: Convert to fraction form
    171,213.21/256,819.41 = 46,554.21/x
  3. Step 3: Cross multiply
    171,213.21x = 256,819.41 × 46,554.21
  4. Step 4: Simplify right side
    171,213.21x = 11,956,024,745.22
  5. Step 5: Solve for x
    x = 11,956,024,745.22/171,213.21
  6. Step 6: Final answer
    x = 69,831.20

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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.