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Finding the Fourth Proportional to 167,346.70, 251,214.45 and 100,861.90

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Solution

The fourth proportional to 167,346.70, 251,214.45 and 100,861.90 is: 151,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,346.70 : 251,214.45 = 100,861.90 : x
  2. Step 2: Convert to fraction form
    167,346.70/251,214.45 = 100,861.90/x
  3. Step 3: Cross multiply
    167,346.70x = 251,214.45 × 100,861.90
  4. Step 4: Simplify right side
    167,346.70x = 25,337,966,734.46
  5. Step 5: Solve for x
    x = 25,337,966,734.46/167,346.70
  6. Step 6: Final answer
    x = 151,410.02

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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.