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Finding the Fourth Proportional to 341,121.54, 470,755.26 and 188,164.38

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Solution

The fourth proportional to 341,121.54, 470,755.26 and 188,164.38 is: 259,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,121.54 : 470,755.26 = 188,164.38 : x
  2. Step 2: Convert to fraction form
    341,121.54/470,755.26 = 188,164.38/x
  3. Step 3: Cross multiply
    341,121.54x = 470,755.26 × 188,164.38
  4. Step 4: Simplify right side
    341,121.54x = 88,579,371,629.64
  5. Step 5: Solve for x
    x = 88,579,371,629.64/341,121.54
  6. Step 6: Final answer
    x = 259,671.00

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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.