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Finding the Fourth Proportional to 167,996.16, 251,965.08 and 57,188.16

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Solution

The fourth proportional to 167,996.16, 251,965.08 and 57,188.16 is: 85,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,996.16 : 251,965.08 = 57,188.16 : x
  2. Step 2: Convert to fraction form
    167,996.16/251,965.08 = 57,188.16/x
  3. Step 3: Cross multiply
    167,996.16x = 251,965.08 × 57,188.16
  4. Step 4: Simplify right side
    167,996.16x = 14,409,419,309.45
  5. Step 5: Solve for x
    x = 14,409,419,309.45/167,996.16
  6. Step 6: Final answer
    x = 85,772.31

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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.