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Finding the Fourth Proportional to 133,028.60, 199,640.10 and 93,662.60

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Solution

The fourth proportional to 133,028.60, 199,640.10 and 93,662.60 is: 140,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.60 : 199,640.10 = 93,662.60 : x
  2. Step 2: Convert to fraction form
    133,028.60/199,640.10 = 93,662.60/x
  3. Step 3: Cross multiply
    133,028.60x = 199,640.10 × 93,662.60
  4. Step 4: Simplify right side
    133,028.60x = 18,698,810,830.26
  5. Step 5: Solve for x
    x = 18,698,810,830.26/133,028.60
  6. Step 6: Final answer
    x = 140,562.34

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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.