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Finding the Fourth Proportional to 140,604.48, 210,891.12 and 35,423.44

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Solution

The fourth proportional to 140,604.48, 210,891.12 and 35,423.44 is: 53,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,604.48 : 210,891.12 = 35,423.44 : x
  2. Step 2: Convert to fraction form
    140,604.48/210,891.12 = 35,423.44/x
  3. Step 3: Cross multiply
    140,604.48x = 210,891.12 × 35,423.44
  4. Step 4: Simplify right side
    140,604.48x = 7,470,488,935.85
  5. Step 5: Solve for x
    x = 7,470,488,935.85/140,604.48
  6. Step 6: Final answer
    x = 53,131.23

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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.