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Finding the Fourth Proportional to 75,101.67, 103,605.30 and 43,252.11

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Solution

The fourth proportional to 75,101.67, 103,605.30 and 43,252.11 is: 59,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.67 : 103,605.30 = 43,252.11 : x
  2. Step 2: Convert to fraction form
    75,101.67/103,605.30 = 43,252.11/x
  3. Step 3: Cross multiply
    75,101.67x = 103,605.30 × 43,252.11
  4. Step 4: Simplify right side
    75,101.67x = 4,481,147,832.18
  5. Step 5: Solve for x
    x = 4,481,147,832.18/75,101.67
  6. Step 6: Final answer
    x = 59,667.75

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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.