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Finding the Fourth Proportional to 318,167.24, 477,149.39 and 104,895.41

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Solution

The fourth proportional to 318,167.24, 477,149.39 and 104,895.41 is: 157,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,167.24 : 477,149.39 = 104,895.41 : x
  2. Step 2: Convert to fraction form
    318,167.24/477,149.39 = 104,895.41/x
  3. Step 3: Cross multiply
    318,167.24x = 477,149.39 × 104,895.41
  4. Step 4: Simplify right side
    318,167.24x = 50,050,780,370.82
  5. Step 5: Solve for x
    x = 50,050,780,370.82/318,167.24
  6. Step 6: Final answer
    x = 157,309.66

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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.