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Finding the Fourth Proportional to 76,044.88, 114,003.32 and 34,480.72

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Solution

The fourth proportional to 76,044.88, 114,003.32 and 34,480.72 is: 51,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.88 : 114,003.32 = 34,480.72 : x
  2. Step 2: Convert to fraction form
    76,044.88/114,003.32 = 34,480.72/x
  3. Step 3: Cross multiply
    76,044.88x = 114,003.32 × 34,480.72
  4. Step 4: Simplify right side
    76,044.88x = 3,930,916,555.99
  5. Step 5: Solve for x
    x = 3,930,916,555.99/76,044.88
  6. Step 6: Final answer
    x = 51,692.06

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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.