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Finding the Fourth Proportional to 273,508.74, 410,174.43 and 91,090.98

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Solution

The fourth proportional to 273,508.74, 410,174.43 and 91,090.98 is: 136,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,508.74 : 410,174.43 = 91,090.98 : x
  2. Step 2: Convert to fraction form
    273,508.74/410,174.43 = 91,090.98/x
  3. Step 3: Cross multiply
    273,508.74x = 410,174.43 × 91,090.98
  4. Step 4: Simplify right side
    273,508.74x = 37,363,190,799.64
  5. Step 5: Solve for x
    x = 37,363,190,799.64/273,508.74
  6. Step 6: Final answer
    x = 136,606.94

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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.