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Finding the Fourth Proportional to 75,808.34, 104,607.15 and 43,971.09

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Solution

The fourth proportional to 75,808.34, 104,607.15 and 43,971.09 is: 60,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,808.34 : 104,607.15 = 43,971.09 : x
  2. Step 2: Convert to fraction form
    75,808.34/104,607.15 = 43,971.09/x
  3. Step 3: Cross multiply
    75,808.34x = 104,607.15 × 43,971.09
  4. Step 4: Simplify right side
    75,808.34x = 4,599,689,850.13
  5. Step 5: Solve for x
    x = 4,599,689,850.13/75,808.34
  6. Step 6: Final answer
    x = 60,675.25

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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.