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Finding the Fourth Proportional to 171,160.30, 256,254.45 and 161,850.70

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Solution

The fourth proportional to 171,160.30, 256,254.45 and 161,850.70 is: 242,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,160.30 : 256,254.45 = 161,850.70 : x
  2. Step 2: Convert to fraction form
    171,160.30/256,254.45 = 161,850.70/x
  3. Step 3: Cross multiply
    171,160.30x = 256,254.45 × 161,850.70
  4. Step 4: Simplify right side
    171,160.30x = 41,474,962,110.62
  5. Step 5: Solve for x
    x = 41,474,962,110.62/171,160.30
  6. Step 6: Final answer
    x = 242,316.48

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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.