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Finding the Fourth Proportional to 265,787.56, 366,788.55 and 158,362.12

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Solution

The fourth proportional to 265,787.56, 366,788.55 and 158,362.12 is: 218,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,787.56 : 366,788.55 = 158,362.12 : x
  2. Step 2: Convert to fraction form
    265,787.56/366,788.55 = 158,362.12/x
  3. Step 3: Cross multiply
    265,787.56x = 366,788.55 × 158,362.12
  4. Step 4: Simplify right side
    265,787.56x = 58,085,412,369.73
  5. Step 5: Solve for x
    x = 58,085,412,369.73/265,787.56
  6. Step 6: Final answer
    x = 218,540.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.