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Finding the Fourth Proportional to 144,696.52, 199,684.74 and 81,047.26

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Solution

The fourth proportional to 144,696.52, 199,684.74 and 81,047.26 is: 111,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.52 : 199,684.74 = 81,047.26 : x
  2. Step 2: Convert to fraction form
    144,696.52/199,684.74 = 81,047.26/x
  3. Step 3: Cross multiply
    144,696.52x = 199,684.74 × 81,047.26
  4. Step 4: Simplify right side
    144,696.52x = 16,183,901,040.81
  5. Step 5: Solve for x
    x = 16,183,901,040.81/144,696.52
  6. Step 6: Final answer
    x = 111,847.20

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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.