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Finding the Fourth Proportional to 273,952.11, 378,046.60 and 153,094.34

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Solution

The fourth proportional to 273,952.11, 378,046.60 and 153,094.34 is: 211,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,952.11 : 378,046.60 = 153,094.34 : x
  2. Step 2: Convert to fraction form
    273,952.11/378,046.60 = 153,094.34/x
  3. Step 3: Cross multiply
    273,952.11x = 378,046.60 × 153,094.34
  4. Step 4: Simplify right side
    273,952.11x = 57,876,794,716.24
  5. Step 5: Solve for x
    x = 57,876,794,716.24/273,952.11
  6. Step 6: Final answer
    x = 211,266.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.