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Finding the Fourth Proportional to 79,606.64, 109,854.44 and 43,796.32

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Solution

The fourth proportional to 79,606.64, 109,854.44 and 43,796.32 is: 60,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,606.64 : 109,854.44 = 43,796.32 : x
  2. Step 2: Convert to fraction form
    79,606.64/109,854.44 = 43,796.32/x
  3. Step 3: Cross multiply
    79,606.64x = 109,854.44 × 43,796.32
  4. Step 4: Simplify right side
    79,606.64x = 4,811,220,207.66
  5. Step 5: Solve for x
    x = 4,811,220,207.66/79,606.64
  6. Step 6: Final answer
    x = 60,437.42

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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.