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Finding the Fourth Proportional to 167,618.57, 251,435.57 and 55,308.60

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Solution

The fourth proportional to 167,618.57, 251,435.57 and 55,308.60 is: 82,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,618.57 : 251,435.57 = 55,308.60 : x
  2. Step 2: Convert to fraction form
    167,618.57/251,435.57 = 55,308.60/x
  3. Step 3: Cross multiply
    167,618.57x = 251,435.57 × 55,308.60
  4. Step 4: Simplify right side
    167,618.57x = 13,906,549,090.36
  5. Step 5: Solve for x
    x = 13,906,549,090.36/167,618.57
  6. Step 6: Final answer
    x = 82,965.45

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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.