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Finding the Fourth Proportional to 246,424.82, 340,037.70 and 138,996.67

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Solution

The fourth proportional to 246,424.82, 340,037.70 and 138,996.67 is: 191,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,424.82 : 340,037.70 = 138,996.67 : x
  2. Step 2: Convert to fraction form
    246,424.82/340,037.70 = 138,996.67/x
  3. Step 3: Cross multiply
    246,424.82x = 340,037.70 × 138,996.67
  4. Step 4: Simplify right side
    246,424.82x = 47,264,106,274.27
  5. Step 5: Solve for x
    x = 47,264,106,274.27/246,424.82
  6. Step 6: Final answer
    x = 191,799.29

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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.