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Finding the Fourth Proportional to 171,446.80, 256,732.80 and 136,454.80

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Solution

The fourth proportional to 171,446.80, 256,732.80 and 136,454.80 is: 204,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,446.80 : 256,732.80 = 136,454.80 : x
  2. Step 2: Convert to fraction form
    171,446.80/256,732.80 = 136,454.80/x
  3. Step 3: Cross multiply
    171,446.80x = 256,732.80 × 136,454.80
  4. Step 4: Simplify right side
    171,446.80x = 35,032,422,877.44
  5. Step 5: Solve for x
    x = 35,032,422,877.44/171,446.80
  6. Step 6: Final answer
    x = 204,334.07

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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.