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Finding the Fourth Proportional to 167,680.80, 251,467.74 and 55,340.16

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Solution

The fourth proportional to 167,680.80, 251,467.74 and 55,340.16 is: 82,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,680.80 : 251,467.74 = 55,340.16 : x
  2. Step 2: Convert to fraction form
    167,680.80/251,467.74 = 55,340.16/x
  3. Step 3: Cross multiply
    167,680.80x = 251,467.74 × 55,340.16
  4. Step 4: Simplify right side
    167,680.80x = 13,916,264,966.44
  5. Step 5: Solve for x
    x = 13,916,264,966.44/167,680.80
  6. Step 6: Final answer
    x = 82,992.60

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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.