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Finding the Fourth Proportional to 148,617.42, 222,794.90 and 113,712.90

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Solution

The fourth proportional to 148,617.42, 222,794.90 and 113,712.90 is: 170,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,617.42 : 222,794.90 = 113,712.90 : x
  2. Step 2: Convert to fraction form
    148,617.42/222,794.90 = 113,712.90/x
  3. Step 3: Cross multiply
    148,617.42x = 222,794.90 × 113,712.90
  4. Step 4: Simplify right side
    148,617.42x = 25,334,653,846.22
  5. Step 5: Solve for x
    x = 25,334,653,846.22/148,617.42
  6. Step 6: Final answer
    x = 170,468.94

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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.