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Finding the Fourth Proportional to 69,630.60, 104,273.10 and 55,806.60

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Solution

The fourth proportional to 69,630.60, 104,273.10 and 55,806.60 is: 83,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.60 : 104,273.10 = 55,806.60 : x
  2. Step 2: Convert to fraction form
    69,630.60/104,273.10 = 55,806.60/x
  3. Step 3: Cross multiply
    69,630.60x = 104,273.10 × 55,806.60
  4. Step 4: Simplify right side
    69,630.60x = 5,819,127,182.46
  5. Step 5: Solve for x
    x = 5,819,127,182.46/69,630.60
  6. Step 6: Final answer
    x = 83,571.41

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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.