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Finding the Fourth Proportional to 227,102.72, 340,332.86 and 125,945.54

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Solution

The fourth proportional to 227,102.72, 340,332.86 and 125,945.54 is: 188,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,102.72 : 340,332.86 = 125,945.54 : x
  2. Step 2: Convert to fraction form
    227,102.72/340,332.86 = 125,945.54/x
  3. Step 3: Cross multiply
    227,102.72x = 340,332.86 × 125,945.54
  4. Step 4: Simplify right side
    227,102.72x = 42,863,405,832.44
  5. Step 5: Solve for x
    x = 42,863,405,832.44/227,102.72
  6. Step 6: Final answer
    x = 188,740.17

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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.