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Finding the Fourth Proportional to 71,850.64, 107,825.28 and 25,103.56

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Solution

The fourth proportional to 71,850.64, 107,825.28 and 25,103.56 is: 37,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.64 : 107,825.28 = 25,103.56 : x
  2. Step 2: Convert to fraction form
    71,850.64/107,825.28 = 25,103.56/x
  3. Step 3: Cross multiply
    71,850.64x = 107,825.28 × 25,103.56
  4. Step 4: Simplify right side
    71,850.64x = 2,706,798,386.00
  5. Step 5: Solve for x
    x = 2,706,798,386.00/71,850.64
  6. Step 6: Final answer
    x = 37,672.57

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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.