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Finding the Fourth Proportional to 252,068.62, 378,214.13 and 133,710.94

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Solution

The fourth proportional to 252,068.62, 378,214.13 and 133,710.94 is: 200,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.62 : 378,214.13 = 133,710.94 : x
  2. Step 2: Convert to fraction form
    252,068.62/378,214.13 = 133,710.94/x
  3. Step 3: Cross multiply
    252,068.62x = 378,214.13 × 133,710.94
  4. Step 4: Simplify right side
    252,068.62x = 50,571,366,175.03
  5. Step 5: Solve for x
    x = 50,571,366,175.03/252,068.62
  6. Step 6: Final answer
    x = 200,625.40

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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.