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Finding the Fourth Proportional to 144,414.07, 199,352.07 and 87,845.11

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Solution

The fourth proportional to 144,414.07, 199,352.07 and 87,845.11 is: 121,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,414.07 : 199,352.07 = 87,845.11 : x
  2. Step 2: Convert to fraction form
    144,414.07/199,352.07 = 87,845.11/x
  3. Step 3: Cross multiply
    144,414.07x = 199,352.07 × 87,845.11
  4. Step 4: Simplify right side
    144,414.07x = 17,512,104,517.88
  5. Step 5: Solve for x
    x = 17,512,104,517.88/144,414.07
  6. Step 6: Final answer
    x = 121,263.15

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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.