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Finding the Fourth Proportional to 148,604.76, 222,735.44 and 68,475.21

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Solution

The fourth proportional to 148,604.76, 222,735.44 and 68,475.21 is: 102,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,604.76 : 222,735.44 = 68,475.21 : x
  2. Step 2: Convert to fraction form
    148,604.76/222,735.44 = 68,475.21/x
  3. Step 3: Cross multiply
    148,604.76x = 222,735.44 × 68,475.21
  4. Step 4: Simplify right side
    148,604.76x = 15,251,855,686.07
  5. Step 5: Solve for x
    x = 15,251,855,686.07/148,604.76
  6. Step 6: Final answer
    x = 102,633.70

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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.