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Finding the Fourth Proportional to 270,044.50, 404,790.27 and 112,364.50

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Solution

The fourth proportional to 270,044.50, 404,790.27 and 112,364.50 is: 168,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,044.50 : 404,790.27 = 112,364.50 : x
  2. Step 2: Convert to fraction form
    270,044.50/404,790.27 = 112,364.50/x
  3. Step 3: Cross multiply
    270,044.50x = 404,790.27 × 112,364.50
  4. Step 4: Simplify right side
    270,044.50x = 45,484,056,293.42
  5. Step 5: Solve for x
    x = 45,484,056,293.42/270,044.50
  6. Step 6: Final answer
    x = 168,431.71

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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.