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Finding the Fourth Proportional to 104,759.98, 144,599.29 and 68,466.71

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Solution

The fourth proportional to 104,759.98, 144,599.29 and 68,466.71 is: 94,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,759.98 : 144,599.29 = 68,466.71 : x
  2. Step 2: Convert to fraction form
    104,759.98/144,599.29 = 68,466.71/x
  3. Step 3: Cross multiply
    104,759.98x = 144,599.29 × 68,466.71
  4. Step 4: Simplify right side
    104,759.98x = 9,900,237,844.97
  5. Step 5: Solve for x
    x = 9,900,237,844.97/104,759.98
  6. Step 6: Final answer
    x = 94,504.01

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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.