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Finding the Fourth Proportional to 199,662.02, 275,531.47 and 109,017.70

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Solution

The fourth proportional to 199,662.02, 275,531.47 and 109,017.70 is: 150,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,662.02 : 275,531.47 = 109,017.70 : x
  2. Step 2: Convert to fraction form
    199,662.02/275,531.47 = 109,017.70/x
  3. Step 3: Cross multiply
    199,662.02x = 275,531.47 × 109,017.70
  4. Step 4: Simplify right side
    199,662.02x = 30,037,807,137.02
  5. Step 5: Solve for x
    x = 30,037,807,137.02/199,662.02
  6. Step 6: Final answer
    x = 150,443.27

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1.5x scale

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.