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Finding the Fourth Proportional to 144,723,393.60, 217,010,440.80 and 53,800,180.80

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Solution

The fourth proportional to 144,723,393.60, 217,010,440.80 and 53,800,180.80 is: 80,672,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723,393.60 : 217,010,440.80 = 53,800,180.80 : x
  2. Step 2: Convert to fraction form
    144,723,393.60/217,010,440.80 = 53,800,180.80/x
  3. Step 3: Cross multiply
    144,723,393.60x = 217,010,440.80 × 53,800,180.80
  4. Step 4: Simplify right side
    144,723,393.60x = 11,675,200,950,527,696
  5. Step 5: Solve for x
    x = 11,675,200,950,527,696/144,723,393.60
  6. Step 6: Final answer
    x = 80,672,520.59

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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.