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Finding the Fourth Proportional to 73,644.49, 101,624.88 and 43,431.09

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Solution

The fourth proportional to 73,644.49, 101,624.88 and 43,431.09 is: 59,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644.49 : 101,624.88 = 43,431.09 : x
  2. Step 2: Convert to fraction form
    73,644.49/101,624.88 = 43,431.09/x
  3. Step 3: Cross multiply
    73,644.49x = 101,624.88 × 43,431.09
  4. Step 4: Simplify right side
    73,644.49x = 4,413,678,846.99
  5. Step 5: Solve for x
    x = 4,413,678,846.99/73,644.49
  6. Step 6: Final answer
    x = 59,932.23

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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.