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Finding the Fourth Proportional to 133,753.14, 200,518.92 and 104,301.54

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Solution

The fourth proportional to 133,753.14, 200,518.92 and 104,301.54 is: 156,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,753.14 : 200,518.92 = 104,301.54 : x
  2. Step 2: Convert to fraction form
    133,753.14/200,518.92 = 104,301.54/x
  3. Step 3: Cross multiply
    133,753.14x = 200,518.92 × 104,301.54
  4. Step 4: Simplify right side
    133,753.14x = 20,914,432,155.14
  5. Step 5: Solve for x
    x = 20,914,432,155.14/133,753.14
  6. Step 6: Final answer
    x = 156,365.92

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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.