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Finding the Fourth Proportional to 273,960.38, 410,979.17 and 84,436.07

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Solution

The fourth proportional to 273,960.38, 410,979.17 and 84,436.07 is: 126,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,960.38 : 410,979.17 = 84,436.07 : x
  2. Step 2: Convert to fraction form
    273,960.38/410,979.17 = 84,436.07/x
  3. Step 3: Cross multiply
    273,960.38x = 410,979.17 × 84,436.07
  4. Step 4: Simplify right side
    273,960.38x = 34,701,465,959.66
  5. Step 5: Solve for x
    x = 34,701,465,959.66/273,960.38
  6. Step 6: Final answer
    x = 126,666.00

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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.