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Finding the Fourth Proportional to 204,015.51, 306,041.49 and 63,770.49

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Solution

The fourth proportional to 204,015.51, 306,041.49 and 63,770.49 is: 95,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,015.51 : 306,041.49 = 63,770.49 : x
  2. Step 2: Convert to fraction form
    204,015.51/306,041.49 = 63,770.49/x
  3. Step 3: Cross multiply
    204,015.51x = 306,041.49 × 63,770.49
  4. Step 4: Simplify right side
    204,015.51x = 19,516,415,777.63
  5. Step 5: Solve for x
    x = 19,516,415,777.63/204,015.51
  6. Step 6: Final answer
    x = 95,661.43

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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.