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Finding the Fourth Proportional to 133,871.73, 200,701.03 and 66,356.25

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Solution

The fourth proportional to 133,871.73, 200,701.03 and 66,356.25 is: 99,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.73 : 200,701.03 = 66,356.25 : x
  2. Step 2: Convert to fraction form
    133,871.73/200,701.03 = 66,356.25/x
  3. Step 3: Cross multiply
    133,871.73x = 200,701.03 × 66,356.25
  4. Step 4: Simplify right side
    133,871.73x = 13,317,767,721.94
  5. Step 5: Solve for x
    x = 13,317,767,721.94/133,871.73
  6. Step 6: Final answer
    x = 99,481.55

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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.