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Finding the Fourth Proportional to 97,361.41, 134,362.83 and 54,919.93

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Solution

The fourth proportional to 97,361.41, 134,362.83 and 54,919.93 is: 75,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,361.41 : 134,362.83 = 54,919.93 : x
  2. Step 2: Convert to fraction form
    97,361.41/134,362.83 = 54,919.93/x
  3. Step 3: Cross multiply
    97,361.41x = 134,362.83 × 54,919.93
  4. Step 4: Simplify right side
    97,361.41x = 7,379,197,218.20
  5. Step 5: Solve for x
    x = 7,379,197,218.20/97,361.41
  6. Step 6: Final answer
    x = 75,791.81

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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.