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Finding the Fourth Proportional to 75,656.53, 104,406.01 and 43,843.88

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Solution

The fourth proportional to 75,656.53, 104,406.01 and 43,843.88 is: 60,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,656.53 : 104,406.01 = 43,843.88 : x
  2. Step 2: Convert to fraction form
    75,656.53/104,406.01 = 43,843.88/x
  3. Step 3: Cross multiply
    75,656.53x = 104,406.01 × 43,843.88
  4. Step 4: Simplify right side
    75,656.53x = 4,577,564,971.75
  5. Step 5: Solve for x
    x = 4,577,564,971.75/75,656.53
  6. Step 6: Final answer
    x = 60,504.56

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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.