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Finding the Fourth Proportional to 160,553.43, 221,571.02 and 88,933.44

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Solution

The fourth proportional to 160,553.43, 221,571.02 and 88,933.44 is: 122,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,553.43 : 221,571.02 = 88,933.44 : x
  2. Step 2: Convert to fraction form
    160,553.43/221,571.02 = 88,933.44/x
  3. Step 3: Cross multiply
    160,553.43x = 221,571.02 × 88,933.44
  4. Step 4: Simplify right side
    160,553.43x = 19,705,073,012.91
  5. Step 5: Solve for x
    x = 19,705,073,012.91/160,553.43
  6. Step 6: Final answer
    x = 122,732.18

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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.