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Finding the Fourth Proportional to 114,021.19, 170,982.51 and 43,851.25

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Solution

The fourth proportional to 114,021.19, 170,982.51 and 43,851.25 is: 65,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.19 : 170,982.51 = 43,851.25 : x
  2. Step 2: Convert to fraction form
    114,021.19/170,982.51 = 43,851.25/x
  3. Step 3: Cross multiply
    114,021.19x = 170,982.51 × 43,851.25
  4. Step 4: Simplify right side
    114,021.19x = 7,497,796,791.64
  5. Step 5: Solve for x
    x = 7,497,796,791.64/114,021.19
  6. Step 6: Final answer
    x = 65,757.92

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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.