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Finding the Fourth Proportional to 146,447.88, 202,101.30 and 89,825.80

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Solution

The fourth proportional to 146,447.88, 202,101.30 and 89,825.80 is: 123,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,447.88 : 202,101.30 = 89,825.80 : x
  2. Step 2: Convert to fraction form
    146,447.88/202,101.30 = 89,825.80/x
  3. Step 3: Cross multiply
    146,447.88x = 202,101.30 × 89,825.80
  4. Step 4: Simplify right side
    146,447.88x = 18,153,910,953.54
  5. Step 5: Solve for x
    x = 18,153,910,953.54/146,447.88
  6. Step 6: Final answer
    x = 123,961.58

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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.