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Finding the Fourth Proportional to 122,600.97, 183,550.59 and 83,087.82

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Solution

The fourth proportional to 122,600.97, 183,550.59 and 83,087.82 is: 124,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,600.97 : 183,550.59 = 83,087.82 : x
  2. Step 2: Convert to fraction form
    122,600.97/183,550.59 = 83,087.82/x
  3. Step 3: Cross multiply
    122,600.97x = 183,550.59 × 83,087.82
  4. Step 4: Simplify right side
    122,600.97x = 15,250,818,382.81
  5. Step 5: Solve for x
    x = 15,250,818,382.81/122,600.97
  6. Step 6: Final answer
    x = 124,393.95

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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.