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Finding the Fourth Proportional to 181,995.40, 251,993.46 and 167,998.60

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Solution

The fourth proportional to 181,995.40, 251,993.46 and 167,998.60 is: 232,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,995.40 : 251,993.46 = 167,998.60 : x
  2. Step 2: Convert to fraction form
    181,995.40/251,993.46 = 167,998.60/x
  3. Step 3: Cross multiply
    181,995.40x = 251,993.46 × 167,998.60
  4. Step 4: Simplify right side
    181,995.40x = 42,334,548,489.16
  5. Step 5: Solve for x
    x = 42,334,548,489.16/181,995.40
  6. Step 6: Final answer
    x = 232,613.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.