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Finding the Fourth Proportional to 146,371.92, 201,993.18 and 79,303.92

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Solution

The fourth proportional to 146,371.92, 201,993.18 and 79,303.92 is: 109,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,371.92 : 201,993.18 = 79,303.92 : x
  2. Step 2: Convert to fraction form
    146,371.92/201,993.18 = 79,303.92/x
  3. Step 3: Cross multiply
    146,371.92x = 201,993.18 × 79,303.92
  4. Step 4: Simplify right side
    146,371.92x = 16,018,850,987.27
  5. Step 5: Solve for x
    x = 16,018,850,987.27/146,371.92
  6. Step 6: Final answer
    x = 109,439.37

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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.