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Finding the Fourth Proportional to 202,295.97, 279,168.17 and 111,652.11

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Solution

The fourth proportional to 202,295.97, 279,168.17 and 111,652.11 is: 154,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.97 : 279,168.17 = 111,652.11 : x
  2. Step 2: Convert to fraction form
    202,295.97/279,168.17 = 111,652.11/x
  3. Step 3: Cross multiply
    202,295.97x = 279,168.17 × 111,652.11
  4. Step 4: Simplify right side
    202,295.97x = 31,169,714,667.08
  5. Step 5: Solve for x
    x = 31,169,714,667.08/202,295.97
  6. Step 6: Final answer
    x = 154,079.76

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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.