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Finding the Fourth Proportional to 231,016.80, 346,352.40 and 125,954.40

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Solution

The fourth proportional to 231,016.80, 346,352.40 and 125,954.40 is: 188,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,016.80 : 346,352.40 = 125,954.40 : x
  2. Step 2: Convert to fraction form
    231,016.80/346,352.40 = 125,954.40/x
  3. Step 3: Cross multiply
    231,016.80x = 346,352.40 × 125,954.40
  4. Step 4: Simplify right side
    231,016.80x = 43,624,608,730.56
  5. Step 5: Solve for x
    x = 43,624,608,730.56/231,016.80
  6. Step 6: Final answer
    x = 188,837.39

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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.