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Finding the Fourth Proportional to 202,371.36, 279,270.90 and 111,727.41

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Solution

The fourth proportional to 202,371.36, 279,270.90 and 111,727.41 is: 154,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371.36 : 279,270.90 = 111,727.41 : x
  2. Step 2: Convert to fraction form
    202,371.36/279,270.90 = 111,727.41/x
  3. Step 3: Cross multiply
    202,371.36x = 279,270.90 × 111,727.41
  4. Step 4: Simplify right side
    202,371.36x = 31,202,214,345.37
  5. Step 5: Solve for x
    x = 31,202,214,345.37/202,371.36
  6. Step 6: Final answer
    x = 154,182.96

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1.5x scale

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.