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Finding the Fourth Proportional to 227,813.15, 341,719.73 and 156,954.35

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Solution

The fourth proportional to 227,813.15, 341,719.73 and 156,954.35 is: 235,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,813.15 : 341,719.73 = 156,954.35 : x
  2. Step 2: Convert to fraction form
    227,813.15/341,719.73 = 156,954.35/x
  3. Step 3: Cross multiply
    227,813.15x = 341,719.73 × 156,954.35
  4. Step 4: Simplify right side
    227,813.15x = 53,634,398,104.33
  5. Step 5: Solve for x
    x = 53,634,398,104.33/227,813.15
  6. Step 6: Final answer
    x = 235,431.53

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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.