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Finding the Fourth Proportional to 312,237.52, 468,166.44 and 122,470.48

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Solution

The fourth proportional to 312,237.52, 468,166.44 and 122,470.48 is: 183,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,237.52 : 468,166.44 = 122,470.48 : x
  2. Step 2: Convert to fraction form
    312,237.52/468,166.44 = 122,470.48/x
  3. Step 3: Cross multiply
    312,237.52x = 468,166.44 × 122,470.48
  4. Step 4: Simplify right side
    312,237.52x = 57,336,568,626.69
  5. Step 5: Solve for x
    x = 57,336,568,626.69/312,237.52
  6. Step 6: Final answer
    x = 183,631.26

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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.