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Finding the Fourth Proportional to 168,498,438.10, 252,747,657.15 and 168,498,438.10

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Solution

The fourth proportional to 168,498,438.10, 252,747,657.15 and 168,498,438.10 is: 252,747,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498,438.10 : 252,747,657.15 = 168,498,438.10 : x
  2. Step 2: Convert to fraction form
    168,498,438.10/252,747,657.15 = 168,498,438.10/x
  3. Step 3: Cross multiply
    168,498,438.10x = 252,747,657.15 × 168,498,438.10
  4. Step 4: Simplify right side
    168,498,438.10x = 42,587,585,463,209,296
  5. Step 5: Solve for x
    x = 42,587,585,463,209,296/168,498,438.10
  6. Step 6: Final answer
    x = 252,747,657.15

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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.