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Finding the Fourth Proportional to 147,037.44, 220,517.28 and 63,912

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Solution

The fourth proportional to 147,037.44, 220,517.28 and 63,912 is: 95,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,037.44 : 220,517.28 = 63,912 : x
  2. Step 2: Convert to fraction form
    147,037.44/220,517.28 = 63,912/x
  3. Step 3: Cross multiply
    147,037.44x = 220,517.28 × 63,912
  4. Step 4: Simplify right side
    147,037.44x = 14,093,700,399.36
  5. Step 5: Solve for x
    x = 14,093,700,399.36/147,037.44
  6. Step 6: Final answer
    x = 95,851.10

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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.