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Finding the Fourth Proportional to 111,164.61, 166,777.95 and 44,651.45

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Solution

The fourth proportional to 111,164.61, 166,777.95 and 44,651.45 is: 66,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,164.61 : 166,777.95 = 44,651.45 : x
  2. Step 2: Convert to fraction form
    111,164.61/166,777.95 = 44,651.45/x
  3. Step 3: Cross multiply
    111,164.61x = 166,777.95 × 44,651.45
  4. Step 4: Simplify right side
    111,164.61x = 7,446,876,461.64
  5. Step 5: Solve for x
    x = 7,446,876,461.64/111,164.61
  6. Step 6: Final answer
    x = 66,989.63

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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.