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Finding the Fourth Proportional to 183,606.40, 274,826.40 and 131,118.40

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Solution

The fourth proportional to 183,606.40, 274,826.40 and 131,118.40 is: 196,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,606.40 : 274,826.40 = 131,118.40 : x
  2. Step 2: Convert to fraction form
    183,606.40/274,826.40 = 131,118.40/x
  3. Step 3: Cross multiply
    183,606.40x = 274,826.40 × 131,118.40
  4. Step 4: Simplify right side
    183,606.40x = 36,034,797,845.76
  5. Step 5: Solve for x
    x = 36,034,797,845.76/183,606.40
  6. Step 6: Final answer
    x = 196,261.12

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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.