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Finding the Fourth Proportional to 203,759.66, 305,655.68 and 63,519.50

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Solution

The fourth proportional to 203,759.66, 305,655.68 and 63,519.50 is: 95,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,759.66 : 305,655.68 = 63,519.50 : x
  2. Step 2: Convert to fraction form
    203,759.66/305,655.68 = 63,519.50/x
  3. Step 3: Cross multiply
    203,759.66x = 305,655.68 × 63,519.50
  4. Step 4: Simplify right side
    203,759.66x = 19,415,094,596.28
  5. Step 5: Solve for x
    x = 19,415,094,596.28/203,759.66
  6. Step 6: Final answer
    x = 95,284.29

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1.5x scale

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.