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Finding the Fourth Proportional to 183,431.60, 275,147.40 and 126,350.90

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Solution

The fourth proportional to 183,431.60, 275,147.40 and 126,350.90 is: 189,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,431.60 : 275,147.40 = 126,350.90 : x
  2. Step 2: Convert to fraction form
    183,431.60/275,147.40 = 126,350.90/x
  3. Step 3: Cross multiply
    183,431.60x = 275,147.40 × 126,350.90
  4. Step 4: Simplify right side
    183,431.60x = 34,765,121,622.66
  5. Step 5: Solve for x
    x = 34,765,121,622.66/183,431.60
  6. Step 6: Final answer
    x = 189,526.35

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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.