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Finding the Fourth Proportional to 186,504.06, 279,799.82 and 74,190.66

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Solution

The fourth proportional to 186,504.06, 279,799.82 and 74,190.66 is: 111,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,504.06 : 279,799.82 = 74,190.66 : x
  2. Step 2: Convert to fraction form
    186,504.06/279,799.82 = 74,190.66/x
  3. Step 3: Cross multiply
    186,504.06x = 279,799.82 × 74,190.66
  4. Step 4: Simplify right side
    186,504.06x = 20,758,533,313.68
  5. Step 5: Solve for x
    x = 20,758,533,313.68/186,504.06
  6. Step 6: Final answer
    x = 111,303.39

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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.