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Finding the Fourth Proportional to 171,627,101.10, 257,440,651.65 and 171,627,101.10

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Solution

The fourth proportional to 171,627,101.10, 257,440,651.65 and 171,627,101.10 is: 257,440,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,627,101.10 : 257,440,651.65 = 171,627,101.10 : x
  2. Step 2: Convert to fraction form
    171,627,101.10/257,440,651.65 = 171,627,101.10/x
  3. Step 3: Cross multiply
    171,627,101.10x = 257,440,651.65 × 171,627,101.10
  4. Step 4: Simplify right side
    171,627,101.10x = 44,183,792,747,984,432
  5. Step 5: Solve for x
    x = 44,183,792,747,984,432/171,627,101.10
  6. Step 6: Final answer
    x = 257,440,651.65

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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.