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Finding the Fourth Proportional to 245,660.29, 368,490.44 and 68,167.36

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Solution

The fourth proportional to 245,660.29, 368,490.44 and 68,167.36 is: 102,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,660.29 : 368,490.44 = 68,167.36 : x
  2. Step 2: Convert to fraction form
    245,660.29/368,490.44 = 68,167.36/x
  3. Step 3: Cross multiply
    245,660.29x = 368,490.44 × 68,167.36
  4. Step 4: Simplify right side
    245,660.29x = 25,119,018,654.87
  5. Step 5: Solve for x
    x = 25,119,018,654.87/245,660.29
  6. Step 6: Final answer
    x = 102,251.03

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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.