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Finding the Fourth Proportional to 220,661.16, 304,497 and 125,183.22

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Solution

The fourth proportional to 220,661.16, 304,497 and 125,183.22 is: 172,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,661.16 : 304,497 = 125,183.22 : x
  2. Step 2: Convert to fraction form
    220,661.16/304,497 = 125,183.22/x
  3. Step 3: Cross multiply
    220,661.16x = 304,497 × 125,183.22
  4. Step 4: Simplify right side
    220,661.16x = 38,117,914,940.34
  5. Step 5: Solve for x
    x = 38,117,914,940.34/220,661.16
  6. Step 6: Final answer
    x = 172,744.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.