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Finding the Fourth Proportional to 310,860.16, 465,680.07 and 161,198.29

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Solution

The fourth proportional to 310,860.16, 465,680.07 and 161,198.29 is: 241,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,860.16 : 465,680.07 = 161,198.29 : x
  2. Step 2: Convert to fraction form
    310,860.16/465,680.07 = 161,198.29/x
  3. Step 3: Cross multiply
    310,860.16x = 465,680.07 × 161,198.29
  4. Step 4: Simplify right side
    310,860.16x = 75,066,830,971.08
  5. Step 5: Solve for x
    x = 75,066,830,971.08/310,860.16
  6. Step 6: Final answer
    x = 241,481.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.