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Finding the Fourth Proportional to 171,080.70, 256,329.45 and 146,003.10

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Solution

The fourth proportional to 171,080.70, 256,329.45 and 146,003.10 is: 218,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,080.70 : 256,329.45 = 146,003.10 : x
  2. Step 2: Convert to fraction form
    171,080.70/256,329.45 = 146,003.10/x
  3. Step 3: Cross multiply
    171,080.70x = 256,329.45 × 146,003.10
  4. Step 4: Simplify right side
    171,080.70x = 37,424,894,321.30
  5. Step 5: Solve for x
    x = 37,424,894,321.30/171,080.70
  6. Step 6: Final answer
    x = 218,755.79

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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.