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Finding the Fourth Proportional to 167,999.35, 251,911.55 and 79,229.02

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Solution

The fourth proportional to 167,999.35, 251,911.55 and 79,229.02 is: 118,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,999.35 : 251,911.55 = 79,229.02 : x
  2. Step 2: Convert to fraction form
    167,999.35/251,911.55 = 79,229.02/x
  3. Step 3: Cross multiply
    167,999.35x = 251,911.55 × 79,229.02
  4. Step 4: Simplify right side
    167,999.35x = 19,958,705,233.18
  5. Step 5: Solve for x
    x = 19,958,705,233.18/167,999.35
  6. Step 6: Final answer
    x = 118,802.28

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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.