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Finding the Fourth Proportional to 146,107.20, 201,627.20 and 82,444.80

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Solution

The fourth proportional to 146,107.20, 201,627.20 and 82,444.80 is: 113,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,107.20 : 201,627.20 = 82,444.80 : x
  2. Step 2: Convert to fraction form
    146,107.20/201,627.20 = 82,444.80/x
  3. Step 3: Cross multiply
    146,107.20x = 201,627.20 × 82,444.80
  4. Step 4: Simplify right side
    146,107.20x = 16,623,114,178.56
  5. Step 5: Solve for x
    x = 16,623,114,178.56/146,107.20
  6. Step 6: Final answer
    x = 113,773.41

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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.