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Finding the Fourth Proportional to 276,842.52, 414,939.81 and 127,097.28

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Solution

The fourth proportional to 276,842.52, 414,939.81 and 127,097.28 is: 190,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,842.52 : 414,939.81 = 127,097.28 : x
  2. Step 2: Convert to fraction form
    276,842.52/414,939.81 = 127,097.28/x
  3. Step 3: Cross multiply
    276,842.52x = 414,939.81 × 127,097.28
  4. Step 4: Simplify right side
    276,842.52x = 52,737,721,214.72
  5. Step 5: Solve for x
    x = 52,737,721,214.72/276,842.52
  6. Step 6: Final answer
    x = 190,497.19

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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.