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Finding the Fourth Proportional to 293,462.10, 440,063.55 and 115,910.10

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Solution

The fourth proportional to 293,462.10, 440,063.55 and 115,910.10 is: 173,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,462.10 : 440,063.55 = 115,910.10 : x
  2. Step 2: Convert to fraction form
    293,462.10/440,063.55 = 115,910.10/x
  3. Step 3: Cross multiply
    293,462.10x = 440,063.55 × 115,910.10
  4. Step 4: Simplify right side
    293,462.10x = 51,007,810,086.86
  5. Step 5: Solve for x
    x = 51,007,810,086.86/293,462.10
  6. Step 6: Final answer
    x = 173,813.96

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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.