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Finding the Fourth Proportional to 152,627.97, 228,980.90 and 47,447.85

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Solution

The fourth proportional to 152,627.97, 228,980.90 and 47,447.85 is: 71,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,627.97 : 228,980.90 = 47,447.85 : x
  2. Step 2: Convert to fraction form
    152,627.97/228,980.90 = 47,447.85/x
  3. Step 3: Cross multiply
    152,627.97x = 228,980.90 × 47,447.85
  4. Step 4: Simplify right side
    152,627.97x = 10,864,651,396.07
  5. Step 5: Solve for x
    x = 10,864,651,396.07/152,627.97
  6. Step 6: Final answer
    x = 71,183.88

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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.