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Finding the Fourth Proportional to 245,093.60, 367,955.25 and 188,969.36

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Solution

The fourth proportional to 245,093.60, 367,955.25 and 188,969.36 is: 283,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.60 : 367,955.25 = 188,969.36 : x
  2. Step 2: Convert to fraction form
    245,093.60/367,955.25 = 188,969.36/x
  3. Step 3: Cross multiply
    245,093.60x = 367,955.25 × 188,969.36
  4. Step 4: Simplify right side
    245,093.60x = 69,532,268,101.14
  5. Step 5: Solve for x
    x = 69,532,268,101.14/245,093.60
  6. Step 6: Final answer
    x = 283,696.79

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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.