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Finding the Fourth Proportional to 262,469, 362,207.22 and 143,237

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Solution

The fourth proportional to 262,469, 362,207.22 and 143,237 is: 197,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,469 : 362,207.22 = 143,237 : x
  2. Step 2: Convert to fraction form
    262,469/362,207.22 = 143,237/x
  3. Step 3: Cross multiply
    262,469x = 362,207.22 × 143,237
  4. Step 4: Simplify right side
    262,469x = 51,881,475,571.14
  5. Step 5: Solve for x
    x = 51,881,475,571.14/262,469
  6. Step 6: Final answer
    x = 197,667.06

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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.