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Finding the Fourth Proportional to 168,162,945.40, 252,244,418.10 and 168,162,945.40

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Solution

The fourth proportional to 168,162,945.40, 252,244,418.10 and 168,162,945.40 is: 252,244,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,162,945.40 : 252,244,418.10 = 168,162,945.40 : x
  2. Step 2: Convert to fraction form
    168,162,945.40/252,244,418.10 = 168,162,945.40/x
  3. Step 3: Cross multiply
    168,162,945.40x = 252,244,418.10 × 168,162,945.40
  4. Step 4: Simplify right side
    168,162,945.40x = 42,418,164,308,405,072
  5. Step 5: Solve for x
    x = 42,418,164,308,405,072/168,162,945.40
  6. Step 6: Final answer
    x = 252,244,418.10

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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.