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Finding the Fourth Proportional to 134,425.89, 201,763.38 and 67,912.89

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Solution

The fourth proportional to 134,425.89, 201,763.38 and 67,912.89 is: 101,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,425.89 : 201,763.38 = 67,912.89 : x
  2. Step 2: Convert to fraction form
    134,425.89/201,763.38 = 67,912.89/x
  3. Step 3: Cross multiply
    134,425.89x = 201,763.38 × 67,912.89
  4. Step 4: Simplify right side
    134,425.89x = 13,702,334,231.97
  5. Step 5: Solve for x
    x = 13,702,334,231.97/134,425.89
  6. Step 6: Final answer
    x = 101,932.26

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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.