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Finding the Fourth Proportional to 107,553, 161,329.68 and 41,889

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Solution

The fourth proportional to 107,553, 161,329.68 and 41,889 is: 62,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,553 : 161,329.68 = 41,889 : x
  2. Step 2: Convert to fraction form
    107,553/161,329.68 = 41,889/x
  3. Step 3: Cross multiply
    107,553x = 161,329.68 × 41,889
  4. Step 4: Simplify right side
    107,553x = 6,757,938,965.52
  5. Step 5: Solve for x
    x = 6,757,938,965.52/107,553
  6. Step 6: Final answer
    x = 62,833.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.