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Finding the Fourth Proportional to 133,871.36, 200,679.04 and 49,608.96

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Solution

The fourth proportional to 133,871.36, 200,679.04 and 49,608.96 is: 74,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.36 : 200,679.04 = 49,608.96 : x
  2. Step 2: Convert to fraction form
    133,871.36/200,679.04 = 49,608.96/x
  3. Step 3: Cross multiply
    133,871.36x = 200,679.04 × 49,608.96
  4. Step 4: Simplify right side
    133,871.36x = 9,955,478,468.20
  5. Step 5: Solve for x
    x = 9,955,478,468.20/133,871.36
  6. Step 6: Final answer
    x = 74,366.01

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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.