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Finding the Fourth Proportional to 168,151,431.90, 252,227,147.85 and 168,151,431.90

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Solution

The fourth proportional to 168,151,431.90, 252,227,147.85 and 168,151,431.90 is: 252,227,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,431.90 : 252,227,147.85 = 168,151,431.90 : x
  2. Step 2: Convert to fraction form
    168,151,431.90/252,227,147.85 = 168,151,431.90/x
  3. Step 3: Cross multiply
    168,151,431.90x = 252,227,147.85 × 168,151,431.90
  4. Step 4: Simplify right side
    168,151,431.90x = 42,412,356,075,030,504
  5. Step 5: Solve for x
    x = 42,412,356,075,030,504/168,151,431.90
  6. Step 6: Final answer
    x = 252,227,147.85

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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.