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Finding the Fourth Proportional to 133,393.93, 200,091.23 and 54,508.15

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Solution

The fourth proportional to 133,393.93, 200,091.23 and 54,508.15 is: 81,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.93 : 200,091.23 = 54,508.15 : x
  2. Step 2: Convert to fraction form
    133,393.93/200,091.23 = 54,508.15/x
  3. Step 3: Cross multiply
    133,393.93x = 200,091.23 × 54,508.15
  4. Step 4: Simplify right side
    133,393.93x = 10,906,602,778.52
  5. Step 5: Solve for x
    x = 10,906,602,778.52/133,393.93
  6. Step 6: Final answer
    x = 81,762.36

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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.