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Finding the Fourth Proportional to 168,389.26, 252,583.26 and 43,730.26

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Solution

The fourth proportional to 168,389.26, 252,583.26 and 43,730.26 is: 65,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,389.26 : 252,583.26 = 43,730.26 : x
  2. Step 2: Convert to fraction form
    168,389.26/252,583.26 = 43,730.26/x
  3. Step 3: Cross multiply
    168,389.26x = 252,583.26 × 43,730.26
  4. Step 4: Simplify right side
    168,389.26x = 11,045,531,631.45
  5. Step 5: Solve for x
    x = 11,045,531,631.45/168,389.26
  6. Step 6: Final answer
    x = 65,595.23

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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.