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Finding the Fourth Proportional to 171,457.44, 236,573 and 103,485.52

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Solution

The fourth proportional to 171,457.44, 236,573 and 103,485.52 is: 142,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,457.44 : 236,573 = 103,485.52 : x
  2. Step 2: Convert to fraction form
    171,457.44/236,573 = 103,485.52/x
  3. Step 3: Cross multiply
    171,457.44x = 236,573 × 103,485.52
  4. Step 4: Simplify right side
    171,457.44x = 24,481,879,922.96
  5. Step 5: Solve for x
    x = 24,481,879,922.96/171,457.44
  6. Step 6: Final answer
    x = 142,786.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.