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Finding the Fourth Proportional to 274,164.92, 411,089.09 and 84,574.38

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Solution

The fourth proportional to 274,164.92, 411,089.09 and 84,574.38 is: 126,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,164.92 : 411,089.09 = 84,574.38 : x
  2. Step 2: Convert to fraction form
    274,164.92/411,089.09 = 84,574.38/x
  3. Step 3: Cross multiply
    274,164.92x = 411,089.09 × 84,574.38
  4. Step 4: Simplify right side
    274,164.92x = 34,767,606,347.38
  5. Step 5: Solve for x
    x = 34,767,606,347.38/274,164.92
  6. Step 6: Final answer
    x = 126,812.74

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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.