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Finding the Fourth Proportional to 69,969.09, 104,544.14 and 67,519.17

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Solution

The fourth proportional to 69,969.09, 104,544.14 and 67,519.17 is: 100,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.09 : 104,544.14 = 67,519.17 : x
  2. Step 2: Convert to fraction form
    69,969.09/104,544.14 = 67,519.17/x
  3. Step 3: Cross multiply
    69,969.09x = 104,544.14 × 67,519.17
  4. Step 4: Simplify right side
    69,969.09x = 7,058,733,729.96
  5. Step 5: Solve for x
    x = 7,058,733,729.96/69,969.09
  6. Step 6: Final answer
    x = 100,883.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.