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Finding the Fourth Proportional to 67,453.50, 101,185.16 and 25,900.50

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Solution

The fourth proportional to 67,453.50, 101,185.16 and 25,900.50 is: 38,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,453.50 : 101,185.16 = 25,900.50 : x
  2. Step 2: Convert to fraction form
    67,453.50/101,185.16 = 25,900.50/x
  3. Step 3: Cross multiply
    67,453.50x = 101,185.16 × 25,900.50
  4. Step 4: Simplify right side
    67,453.50x = 2,620,746,107.08
  5. Step 5: Solve for x
    x = 2,620,746,107.08/67,453.50
  6. Step 6: Final answer
    x = 38,852.63

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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.