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Finding the Fourth Proportional to 185,429.80, 278,727.90 and 181,930.60

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Solution

The fourth proportional to 185,429.80, 278,727.90 and 181,930.60 is: 273,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.80 : 278,727.90 = 181,930.60 : x
  2. Step 2: Convert to fraction form
    185,429.80/278,727.90 = 181,930.60/x
  3. Step 3: Cross multiply
    185,429.80x = 278,727.90 × 181,930.60
  4. Step 4: Simplify right side
    185,429.80x = 50,709,134,083.74
  5. Step 5: Solve for x
    x = 50,709,134,083.74/185,429.80
  6. Step 6: Final answer
    x = 273,468.09

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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.