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Finding the Fourth Proportional to 148,373.94, 222,467.24 and 81,860.42

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Solution

The fourth proportional to 148,373.94, 222,467.24 and 81,860.42 is: 122,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,373.94 : 222,467.24 = 81,860.42 : x
  2. Step 2: Convert to fraction form
    148,373.94/222,467.24 = 81,860.42/x
  3. Step 3: Cross multiply
    148,373.94x = 222,467.24 × 81,860.42
  4. Step 4: Simplify right side
    148,373.94x = 18,211,262,463.46
  5. Step 5: Solve for x
    x = 18,211,262,463.46/148,373.94
  6. Step 6: Final answer
    x = 122,738.95

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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.