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Finding the Fourth Proportional to 124,103.80, 185,936.10 and 119,992.60

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Solution

The fourth proportional to 124,103.80, 185,936.10 and 119,992.60 is: 179,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,103.80 : 185,936.10 = 119,992.60 : x
  2. Step 2: Convert to fraction form
    124,103.80/185,936.10 = 119,992.60/x
  3. Step 3: Cross multiply
    124,103.80x = 185,936.10 × 119,992.60
  4. Step 4: Simplify right side
    124,103.80x = 22,310,956,072.86
  5. Step 5: Solve for x
    x = 22,310,956,072.86/124,103.80
  6. Step 6: Final answer
    x = 179,776.57

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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.