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Finding the Fourth Proportional to 133,201.01, 198,829.84 and 116,385.71

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Solution

The fourth proportional to 133,201.01, 198,829.84 and 116,385.71 is: 173,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,201.01 : 198,829.84 = 116,385.71 : x
  2. Step 2: Convert to fraction form
    133,201.01/198,829.84 = 116,385.71/x
  3. Step 3: Cross multiply
    133,201.01x = 198,829.84 × 116,385.71
  4. Step 4: Simplify right side
    133,201.01x = 23,140,951,030.70
  5. Step 5: Solve for x
    x = 23,140,951,030.70/133,201.01
  6. Step 6: Final answer
    x = 173,729.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.