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Finding the Fourth Proportional to 264,776.44, 365,393.96 and 143,918

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Solution

The fourth proportional to 264,776.44, 365,393.96 and 143,918 is: 198,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,776.44 : 365,393.96 = 143,918 : x
  2. Step 2: Convert to fraction form
    264,776.44/365,393.96 = 143,918/x
  3. Step 3: Cross multiply
    264,776.44x = 365,393.96 × 143,918
  4. Step 4: Simplify right side
    264,776.44x = 52,586,767,935.28
  5. Step 5: Solve for x
    x = 52,586,767,935.28/264,776.44
  6. Step 6: Final answer
    x = 198,608.18

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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.