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Finding the Fourth Proportional to 167,608.58, 251,523.59 and 78,887.46

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Solution

The fourth proportional to 167,608.58, 251,523.59 and 78,887.46 is: 118,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,608.58 : 251,523.59 = 78,887.46 : x
  2. Step 2: Convert to fraction form
    167,608.58/251,523.59 = 78,887.46/x
  3. Step 3: Cross multiply
    167,608.58x = 251,523.59 × 78,887.46
  4. Step 4: Simplify right side
    167,608.58x = 19,842,057,145.18
  5. Step 5: Solve for x
    x = 19,842,057,145.18/167,608.58
  6. Step 6: Final answer
    x = 118,383.30

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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.