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Finding the Fourth Proportional to 220,863.76, 331,195.80 and 63,054.64

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Solution

The fourth proportional to 220,863.76, 331,195.80 and 63,054.64 is: 94,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,863.76 : 331,195.80 = 63,054.64 : x
  2. Step 2: Convert to fraction form
    220,863.76/331,195.80 = 63,054.64/x
  3. Step 3: Cross multiply
    220,863.76x = 331,195.80 × 63,054.64
  4. Step 4: Simplify right side
    220,863.76x = 20,883,431,938.51
  5. Step 5: Solve for x
    x = 20,883,431,938.51/220,863.76
  6. Step 6: Final answer
    x = 94,553.46

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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.