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Finding the Fourth Proportional to 168,192,912.15, 252,289,368.23 and 168,192,912.15

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Solution

The fourth proportional to 168,192,912.15, 252,289,368.23 and 168,192,912.15 is: 252,289,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,192,912.15 : 252,289,368.23 = 168,192,912.15 : x
  2. Step 2: Convert to fraction form
    168,192,912.15/252,289,368.23 = 168,192,912.15/x
  3. Step 3: Cross multiply
    168,192,912.15x = 252,289,368.23 × 168,192,912.15
  4. Step 4: Simplify right side
    168,192,912.15x = 42,433,283,546,246,424
  5. Step 5: Solve for x
    x = 42,433,283,546,246,424/168,192,912.15
  6. Step 6: Final answer
    x = 252,289,368.23

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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.