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Finding the Fourth Proportional to 168,744, 253,130.58 and 44,085

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Solution

The fourth proportional to 168,744, 253,130.58 and 44,085 is: 66,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,744 : 253,130.58 = 44,085 : x
  2. Step 2: Convert to fraction form
    168,744/253,130.58 = 44,085/x
  3. Step 3: Cross multiply
    168,744x = 253,130.58 × 44,085
  4. Step 4: Simplify right side
    168,744x = 11,159,261,619.30
  5. Step 5: Solve for x
    x = 11,159,261,619.30/168,744
  6. Step 6: Final answer
    x = 66,131.31

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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.