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Finding the Fourth Proportional to 111,794.54, 154,270.05 and 61,493.54

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Solution

The fourth proportional to 111,794.54, 154,270.05 and 61,493.54 is: 84,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,794.54 : 154,270.05 = 61,493.54 : x
  2. Step 2: Convert to fraction form
    111,794.54/154,270.05 = 61,493.54/x
  3. Step 3: Cross multiply
    111,794.54x = 154,270.05 × 61,493.54
  4. Step 4: Simplify right side
    111,794.54x = 9,486,611,490.48
  5. Step 5: Solve for x
    x = 9,486,611,490.48/111,794.54
  6. Step 6: Final answer
    x = 84,857.56

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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.