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Finding the Fourth Proportional to 79,625.64, 109,883.88 and 43,814.64

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Solution

The fourth proportional to 79,625.64, 109,883.88 and 43,814.64 is: 60,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,625.64 : 109,883.88 = 43,814.64 : x
  2. Step 2: Convert to fraction form
    79,625.64/109,883.88 = 43,814.64/x
  3. Step 3: Cross multiply
    79,625.64x = 109,883.88 × 43,814.64
  4. Step 4: Simplify right side
    79,625.64x = 4,814,522,644.00
  5. Step 5: Solve for x
    x = 4,814,522,644.00/79,625.64
  6. Step 6: Final answer
    x = 60,464.48

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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.