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Finding the Fourth Proportional to 167,728.80, 251,520.30 and 55,365.60

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Solution

The fourth proportional to 167,728.80, 251,520.30 and 55,365.60 is: 83,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,728.80 : 251,520.30 = 55,365.60 : x
  2. Step 2: Convert to fraction form
    167,728.80/251,520.30 = 55,365.60/x
  3. Step 3: Cross multiply
    167,728.80x = 251,520.30 × 55,365.60
  4. Step 4: Simplify right side
    167,728.80x = 13,925,572,321.68
  5. Step 5: Solve for x
    x = 13,925,572,321.68/167,728.80
  6. Step 6: Final answer
    x = 83,024.34

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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.