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Finding the Fourth Proportional to 190,469, 262,850.18 and 104,435.82

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Solution

The fourth proportional to 190,469, 262,850.18 and 104,435.82 is: 144,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,469 : 262,850.18 = 104,435.82 : x
  2. Step 2: Convert to fraction form
    190,469/262,850.18 = 104,435.82/x
  3. Step 3: Cross multiply
    190,469x = 262,850.18 × 104,435.82
  4. Step 4: Simplify right side
    190,469x = 27,450,974,085.45
  5. Step 5: Solve for x
    x = 27,450,974,085.45/190,469
  6. Step 6: Final answer
    x = 144,123.05

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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.