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Finding the Fourth Proportional to 103,245.30, 154,849.50 and 27,344.39

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Solution

The fourth proportional to 103,245.30, 154,849.50 and 27,344.39 is: 41,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245.30 : 154,849.50 = 27,344.39 : x
  2. Step 2: Convert to fraction form
    103,245.30/154,849.50 = 27,344.39/x
  3. Step 3: Cross multiply
    103,245.30x = 154,849.50 × 27,344.39
  4. Step 4: Simplify right side
    103,245.30x = 4,234,264,345.06
  5. Step 5: Solve for x
    x = 4,234,264,345.06/103,245.30
  6. Step 6: Final answer
    x = 41,011.69

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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.