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Finding the Fourth Proportional to 227,000.58, 340,382.65 and 84,728.87

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Solution

The fourth proportional to 227,000.58, 340,382.65 and 84,728.87 is: 127,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,000.58 : 340,382.65 = 84,728.87 : x
  2. Step 2: Convert to fraction form
    227,000.58/340,382.65 = 84,728.87/x
  3. Step 3: Cross multiply
    227,000.58x = 340,382.65 × 84,728.87
  4. Step 4: Simplify right side
    227,000.58x = 28,840,235,388.37
  5. Step 5: Solve for x
    x = 28,840,235,388.37/227,000.58
  6. Step 6: Final answer
    x = 127,049.17

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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.