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Finding the Fourth Proportional to 77,553.78, 106,996.11 and 44,000.34

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Solution

The fourth proportional to 77,553.78, 106,996.11 and 44,000.34 is: 60,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.78 : 106,996.11 = 44,000.34 : x
  2. Step 2: Convert to fraction form
    77,553.78/106,996.11 = 44,000.34/x
  3. Step 3: Cross multiply
    77,553.78x = 106,996.11 × 44,000.34
  4. Step 4: Simplify right side
    77,553.78x = 4,707,865,218.68
  5. Step 5: Solve for x
    x = 4,707,865,218.68/77,553.78
  6. Step 6: Final answer
    x = 60,704.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.