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Finding the Fourth Proportional to 125,179.44, 186,858.58 and 115,928.43

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Solution

The fourth proportional to 125,179.44, 186,858.58 and 115,928.43 is: 173,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,179.44 : 186,858.58 = 115,928.43 : x
  2. Step 2: Convert to fraction form
    125,179.44/186,858.58 = 115,928.43/x
  3. Step 3: Cross multiply
    125,179.44x = 186,858.58 × 115,928.43
  4. Step 4: Simplify right side
    125,179.44x = 21,662,221,811.43
  5. Step 5: Solve for x
    x = 21,662,221,811.43/125,179.44
  6. Step 6: Final answer
    x = 173,049.36

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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.