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Finding the Fourth Proportional to 133,787.84, 184,629.36 and 73,364

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Solution

The fourth proportional to 133,787.84, 184,629.36 and 73,364 is: 101,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787.84 : 184,629.36 = 73,364 : x
  2. Step 2: Convert to fraction form
    133,787.84/184,629.36 = 73,364/x
  3. Step 3: Cross multiply
    133,787.84x = 184,629.36 × 73,364
  4. Step 4: Simplify right side
    133,787.84x = 13,545,148,367.04
  5. Step 5: Solve for x
    x = 13,545,148,367.04/133,787.84
  6. Step 6: Final answer
    x = 101,243.49

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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.