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Finding the Fourth Proportional to 268,052.52, 401,960.69 and 125,938.19

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Solution

The fourth proportional to 268,052.52, 401,960.69 and 125,938.19 is: 188,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,052.52 : 401,960.69 = 125,938.19 : x
  2. Step 2: Convert to fraction form
    268,052.52/401,960.69 = 125,938.19/x
  3. Step 3: Cross multiply
    268,052.52x = 401,960.69 × 125,938.19
  4. Step 4: Simplify right side
    268,052.52x = 50,622,199,110.26
  5. Step 5: Solve for x
    x = 50,622,199,110.26/268,052.52
  6. Step 6: Final answer
    x = 188,851.79

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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.