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Finding the Fourth Proportional to 146,338.52, 219,485.30 and 46,485.80

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Solution

The fourth proportional to 146,338.52, 219,485.30 and 46,485.80 is: 69,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,338.52 : 219,485.30 = 46,485.80 : x
  2. Step 2: Convert to fraction form
    146,338.52/219,485.30 = 46,485.80/x
  3. Step 3: Cross multiply
    146,338.52x = 219,485.30 × 46,485.80
  4. Step 4: Simplify right side
    146,338.52x = 10,202,949,758.74
  5. Step 5: Solve for x
    x = 10,202,949,758.74/146,338.52
  6. Step 6: Final answer
    x = 69,721.56

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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.