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Finding the Fourth Proportional to 69,485.88, 104,227.71 and 22,100.28

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Solution

The fourth proportional to 69,485.88, 104,227.71 and 22,100.28 is: 33,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.88 : 104,227.71 = 22,100.28 : x
  2. Step 2: Convert to fraction form
    69,485.88/104,227.71 = 22,100.28/x
  3. Step 3: Cross multiply
    69,485.88x = 104,227.71 × 22,100.28
  4. Step 4: Simplify right side
    69,485.88x = 2,303,461,574.76
  5. Step 5: Solve for x
    x = 2,303,461,574.76/69,485.88
  6. Step 6: Final answer
    x = 33,150.07

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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.