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Finding the Fourth Proportional to 133,737.20, 200,659.80 and 58,871.60

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Solution

The fourth proportional to 133,737.20, 200,659.80 and 58,871.60 is: 88,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,737.20 : 200,659.80 = 58,871.60 : x
  2. Step 2: Convert to fraction form
    133,737.20/200,659.80 = 58,871.60/x
  3. Step 3: Cross multiply
    133,737.20x = 200,659.80 × 58,871.60
  4. Step 4: Simplify right side
    133,737.20x = 11,813,163,481.68
  5. Step 5: Solve for x
    x = 11,813,163,481.68/133,737.20
  6. Step 6: Final answer
    x = 88,331.17

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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.