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Finding the Fourth Proportional to 167,902.17, 251,853.30 and 55,552.20

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Solution

The fourth proportional to 167,902.17, 251,853.30 and 55,552.20 is: 83,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,902.17 : 251,853.30 = 55,552.20 : x
  2. Step 2: Convert to fraction form
    167,902.17/251,853.30 = 55,552.20/x
  3. Step 3: Cross multiply
    167,902.17x = 251,853.30 × 55,552.20
  4. Step 4: Simplify right side
    167,902.17x = 13,991,004,892.26
  5. Step 5: Solve for x
    x = 13,991,004,892.26/167,902.17
  6. Step 6: Final answer
    x = 83,328.31

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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.