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Finding the Fourth Proportional to 97,384.34, 134,389.82 and 54,361.34

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Solution

The fourth proportional to 97,384.34, 134,389.82 and 54,361.34 is: 75,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,384.34 : 134,389.82 = 54,361.34 : x
  2. Step 2: Convert to fraction form
    97,384.34/134,389.82 = 54,361.34/x
  3. Step 3: Cross multiply
    97,384.34x = 134,389.82 × 54,361.34
  4. Step 4: Simplify right side
    97,384.34x = 7,305,610,697.56
  5. Step 5: Solve for x
    x = 7,305,610,697.56/97,384.34
  6. Step 6: Final answer
    x = 75,018.33

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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.