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Finding the Fourth Proportional to 180,743.80, 271,115.70 and 171,995.80

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Solution

The fourth proportional to 180,743.80, 271,115.70 and 171,995.80 is: 257,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,743.80 : 271,115.70 = 171,995.80 : x
  2. Step 2: Convert to fraction form
    180,743.80/271,115.70 = 171,995.80/x
  3. Step 3: Cross multiply
    180,743.80x = 271,115.70 × 171,995.80
  4. Step 4: Simplify right side
    180,743.80x = 46,630,761,714.06
  5. Step 5: Solve for x
    x = 46,630,761,714.06/180,743.80
  6. Step 6: Final answer
    x = 257,993.70

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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.