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Finding the Fourth Proportional to 203,779.40, 305,669.10 and 182,006.60

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Solution

The fourth proportional to 203,779.40, 305,669.10 and 182,006.60 is: 273,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,779.40 : 305,669.10 = 182,006.60 : x
  2. Step 2: Convert to fraction form
    203,779.40/305,669.10 = 182,006.60/x
  3. Step 3: Cross multiply
    203,779.40x = 305,669.10 × 182,006.60
  4. Step 4: Simplify right side
    203,779.40x = 55,633,793,616.06
  5. Step 5: Solve for x
    x = 55,633,793,616.06/203,779.40
  6. Step 6: Final answer
    x = 273,009.90

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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.