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Finding the Fourth Proportional to 248,004.56, 342,231.76 and 134,826.32

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Solution

The fourth proportional to 248,004.56, 342,231.76 and 134,826.32 is: 186,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,004.56 : 342,231.76 = 134,826.32 : x
  2. Step 2: Convert to fraction form
    248,004.56/342,231.76 = 134,826.32/x
  3. Step 3: Cross multiply
    248,004.56x = 342,231.76 × 134,826.32
  4. Step 4: Simplify right side
    248,004.56x = 46,141,848,787.92
  5. Step 5: Solve for x
    x = 46,141,848,787.92/248,004.56
  6. Step 6: Final answer
    x = 186,052.42

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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.