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Finding the Fourth Proportional to 171,321.30, 256,998.15 and 46,662.30

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Solution

The fourth proportional to 171,321.30, 256,998.15 and 46,662.30 is: 69,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,321.30 : 256,998.15 = 46,662.30 : x
  2. Step 2: Convert to fraction form
    171,321.30/256,998.15 = 46,662.30/x
  3. Step 3: Cross multiply
    171,321.30x = 256,998.15 × 46,662.30
  4. Step 4: Simplify right side
    171,321.30x = 11,992,124,774.75
  5. Step 5: Solve for x
    x = 11,992,124,774.75/171,321.30
  6. Step 6: Final answer
    x = 69,997.86

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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.