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Finding the Fourth Proportional to 235,866.87, 325,410.81 and 133,833.24

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Solution

The fourth proportional to 235,866.87, 325,410.81 and 133,833.24 is: 184,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,866.87 : 325,410.81 = 133,833.24 : x
  2. Step 2: Convert to fraction form
    235,866.87/325,410.81 = 133,833.24/x
  3. Step 3: Cross multiply
    235,866.87x = 325,410.81 × 133,833.24
  4. Step 4: Simplify right side
    235,866.87x = 43,550,783,033.32
  5. Step 5: Solve for x
    x = 43,550,783,033.32/235,866.87
  6. Step 6: Final answer
    x = 184,641.37

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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.