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Finding the Fourth Proportional to 101,368.44, 151,935.84 and 54,522.84

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Solution

The fourth proportional to 101,368.44, 151,935.84 and 54,522.84 is: 81,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,368.44 : 151,935.84 = 54,522.84 : x
  2. Step 2: Convert to fraction form
    101,368.44/151,935.84 = 54,522.84/x
  3. Step 3: Cross multiply
    101,368.44x = 151,935.84 × 54,522.84
  4. Step 4: Simplify right side
    101,368.44x = 8,283,973,494.59
  5. Step 5: Solve for x
    x = 8,283,973,494.59/101,368.44
  6. Step 6: Final answer
    x = 81,721.43

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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.