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Finding the Fourth Proportional to 183,485.10, 275,227.65 and 126,404.40

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Solution

The fourth proportional to 183,485.10, 275,227.65 and 126,404.40 is: 189,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,485.10 : 275,227.65 = 126,404.40 : x
  2. Step 2: Convert to fraction form
    183,485.10/275,227.65 = 126,404.40/x
  3. Step 3: Cross multiply
    183,485.10x = 275,227.65 × 126,404.40
  4. Step 4: Simplify right side
    183,485.10x = 34,789,985,961.66
  5. Step 5: Solve for x
    x = 34,789,985,961.66/183,485.10
  6. Step 6: Final answer
    x = 189,606.60

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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.