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Finding the Fourth Proportional to 122,391.52, 183,550.56 and 43,495.36

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Solution

The fourth proportional to 122,391.52, 183,550.56 and 43,495.36 is: 65,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,391.52 : 183,550.56 = 43,495.36 : x
  2. Step 2: Convert to fraction form
    122,391.52/183,550.56 = 43,495.36/x
  3. Step 3: Cross multiply
    122,391.52x = 183,550.56 × 43,495.36
  4. Step 4: Simplify right side
    122,391.52x = 7,983,597,685.40
  5. Step 5: Solve for x
    x = 7,983,597,685.40/122,391.52
  6. Step 6: Final answer
    x = 65,229.99

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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.