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Finding the Fourth Proportional to 59,843.16, 82,553.20 and 45,671.40

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Solution

The fourth proportional to 59,843.16, 82,553.20 and 45,671.40 is: 63,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,843.16 : 82,553.20 = 45,671.40 : x
  2. Step 2: Convert to fraction form
    59,843.16/82,553.20 = 45,671.40/x
  3. Step 3: Cross multiply
    59,843.16x = 82,553.20 × 45,671.40
  4. Step 4: Simplify right side
    59,843.16x = 3,770,320,218.48
  5. Step 5: Solve for x
    x = 3,770,320,218.48/59,843.16
  6. Step 6: Final answer
    x = 63,003.36

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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.