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Finding the Fourth Proportional to 70,385.34, 97,131.83 and 38,554.37

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Solution

The fourth proportional to 70,385.34, 97,131.83 and 38,554.37 is: 53,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.34 : 97,131.83 = 38,554.37 : x
  2. Step 2: Convert to fraction form
    70,385.34/97,131.83 = 38,554.37/x
  3. Step 3: Cross multiply
    70,385.34x = 97,131.83 × 38,554.37
  4. Step 4: Simplify right side
    70,385.34x = 3,744,856,198.41
  5. Step 5: Solve for x
    x = 3,744,856,198.41/70,385.34
  6. Step 6: Final answer
    x = 53,205.06

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