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Finding the Fourth Proportional to 168,499.80, 252,006.12 and 149,910.30

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Solution

The fourth proportional to 168,499.80, 252,006.12 and 149,910.30 is: 224,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499.80 : 252,006.12 = 149,910.30 : x
  2. Step 2: Convert to fraction form
    168,499.80/252,006.12 = 149,910.30/x
  3. Step 3: Cross multiply
    168,499.80x = 252,006.12 × 149,910.30
  4. Step 4: Simplify right side
    168,499.80x = 37,778,313,051.04
  5. Step 5: Solve for x
    x = 37,778,313,051.04/168,499.80
  6. Step 6: Final answer
    x = 224,203.90

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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.