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Finding the Fourth Proportional to 176,418.97, 264,588.55 and 81,597.12

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Solution

The fourth proportional to 176,418.97, 264,588.55 and 81,597.12 is: 122,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,418.97 : 264,588.55 = 81,597.12 : x
  2. Step 2: Convert to fraction form
    176,418.97/264,588.55 = 81,597.12/x
  3. Step 3: Cross multiply
    176,418.97x = 264,588.55 × 81,597.12
  4. Step 4: Simplify right side
    176,418.97x = 21,589,663,664.98
  5. Step 5: Solve for x
    x = 21,589,663,664.98/176,418.97
  6. Step 6: Final answer
    x = 122,377.22

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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.