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Finding the Fourth Proportional to 73,969.88, 110,954.82 and 62,850.20

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Solution

The fourth proportional to 73,969.88, 110,954.82 and 62,850.20 is: 94,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.88 : 110,954.82 = 62,850.20 : x
  2. Step 2: Convert to fraction form
    73,969.88/110,954.82 = 62,850.20/x
  3. Step 3: Cross multiply
    73,969.88x = 110,954.82 × 62,850.20
  4. Step 4: Simplify right side
    73,969.88x = 6,973,532,627.96
  5. Step 5: Solve for x
    x = 6,973,532,627.96/73,969.88
  6. Step 6: Final answer
    x = 94,275.30

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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.