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Finding the Fourth Proportional to 84,635.94, 126,933.01 and 34,730.22

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Solution

The fourth proportional to 84,635.94, 126,933.01 and 34,730.22 is: 52,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,635.94 : 126,933.01 = 34,730.22 : x
  2. Step 2: Convert to fraction form
    84,635.94/126,933.01 = 34,730.22/x
  3. Step 3: Cross multiply
    84,635.94x = 126,933.01 × 34,730.22
  4. Step 4: Simplify right side
    84,635.94x = 4,408,411,362.56
  5. Step 5: Solve for x
    x = 4,408,411,362.56/84,635.94
  6. Step 6: Final answer
    x = 52,086.75

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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.