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Finding the Fourth Proportional to 236,211, 325,971.18 and 130,227

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Solution

The fourth proportional to 236,211, 325,971.18 and 130,227 is: 179,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,211 : 325,971.18 = 130,227 : x
  2. Step 2: Convert to fraction form
    236,211/325,971.18 = 130,227/x
  3. Step 3: Cross multiply
    236,211x = 325,971.18 × 130,227
  4. Step 4: Simplify right side
    236,211x = 42,450,248,857.86
  5. Step 5: Solve for x
    x = 42,450,248,857.86/236,211
  6. Step 6: Final answer
    x = 179,713.26

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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.