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Finding the Fourth Proportional to 106,591.39, 159,830.88 and 94,450.47

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Solution

The fourth proportional to 106,591.39, 159,830.88 and 94,450.47 is: 141,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,591.39 : 159,830.88 = 94,450.47 : x
  2. Step 2: Convert to fraction form
    106,591.39/159,830.88 = 94,450.47/x
  3. Step 3: Cross multiply
    106,591.39x = 159,830.88 × 94,450.47
  4. Step 4: Simplify right side
    106,591.39x = 15,096,101,736.51
  5. Step 5: Solve for x
    x = 15,096,101,736.51/106,591.39
  6. Step 6: Final answer
    x = 141,625.90

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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.