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Finding the Fourth Proportional to 227,157.94, 313,470.60 and 130,377.72

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Solution

The fourth proportional to 227,157.94, 313,470.60 and 130,377.72 is: 179,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,157.94 : 313,470.60 = 130,377.72 : x
  2. Step 2: Convert to fraction form
    227,157.94/313,470.60 = 130,377.72/x
  3. Step 3: Cross multiply
    227,157.94x = 313,470.60 × 130,377.72
  4. Step 4: Simplify right side
    227,157.94x = 40,869,582,115.03
  5. Step 5: Solve for x
    x = 40,869,582,115.03/227,157.94
  6. Step 6: Final answer
    x = 179,917.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.