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Finding the Fourth Proportional to 190,105, 262,335.94 and 104,062.28

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Solution

The fourth proportional to 190,105, 262,335.94 and 104,062.28 is: 143,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105 : 262,335.94 = 104,062.28 : x
  2. Step 2: Convert to fraction form
    190,105/262,335.94 = 104,062.28/x
  3. Step 3: Cross multiply
    190,105x = 262,335.94 × 104,062.28
  4. Step 4: Simplify right side
    190,105x = 27,299,276,042.34
  5. Step 5: Solve for x
    x = 27,299,276,042.34/190,105
  6. Step 6: Final answer
    x = 143,601.04

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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.