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Finding the Fourth Proportional to 295,408.37, 443,159.42 and 105,864.66

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Solution

The fourth proportional to 295,408.37, 443,159.42 and 105,864.66 is: 158,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,408.37 : 443,159.42 = 105,864.66 : x
  2. Step 2: Convert to fraction form
    295,408.37/443,159.42 = 105,864.66/x
  3. Step 3: Cross multiply
    295,408.37x = 443,159.42 × 105,864.66
  4. Step 4: Simplify right side
    295,408.37x = 46,914,918,578.98
  5. Step 5: Solve for x
    x = 46,914,918,578.98/295,408.37
  6. Step 6: Final answer
    x = 158,813.78

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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.