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Finding the Fourth Proportional to 273,612.20, 410,072.70 and 133,068.20

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Solution

The fourth proportional to 273,612.20, 410,072.70 and 133,068.20 is: 199,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,612.20 : 410,072.70 = 133,068.20 : x
  2. Step 2: Convert to fraction form
    273,612.20/410,072.70 = 133,068.20/x
  3. Step 3: Cross multiply
    273,612.20x = 410,072.70 × 133,068.20
  4. Step 4: Simplify right side
    273,612.20x = 54,567,636,058.14
  5. Step 5: Solve for x
    x = 54,567,636,058.14/273,612.20
  6. Step 6: Final answer
    x = 199,434.22

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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.