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Finding the Fourth Proportional to 168,151,806.15, 252,227,709.23 and 168,151,806.15

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Solution

The fourth proportional to 168,151,806.15, 252,227,709.23 and 168,151,806.15 is: 252,227,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,806.15 : 252,227,709.23 = 168,151,806.15 : x
  2. Step 2: Convert to fraction form
    168,151,806.15/252,227,709.23 = 168,151,806.15/x
  3. Step 3: Cross multiply
    168,151,806.15x = 252,227,709.23 × 168,151,806.15
  4. Step 4: Simplify right side
    168,151,806.15x = 42,412,544,867,260,768
  5. Step 5: Solve for x
    x = 42,412,544,867,260,768/168,151,806.15
  6. Step 6: Final answer
    x = 252,227,709.23

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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.