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Finding the Fourth Proportional to 73,873.64, 110,670.30 and 43,824.39

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Solution

The fourth proportional to 73,873.64, 110,670.30 and 43,824.39 is: 65,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.64 : 110,670.30 = 43,824.39 : x
  2. Step 2: Convert to fraction form
    73,873.64/110,670.30 = 43,824.39/x
  3. Step 3: Cross multiply
    73,873.64x = 110,670.30 × 43,824.39
  4. Step 4: Simplify right side
    73,873.64x = 4,850,058,490.37
  5. Step 5: Solve for x
    x = 4,850,058,490.37/73,873.64
  6. Step 6: Final answer
    x = 65,653.44

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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.