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Finding the Fourth Proportional to 202,792.28, 279,846.02 and 110,908.43

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Solution

The fourth proportional to 202,792.28, 279,846.02 and 110,908.43 is: 153,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,792.28 : 279,846.02 = 110,908.43 : x
  2. Step 2: Convert to fraction form
    202,792.28/279,846.02 = 110,908.43/x
  3. Step 3: Cross multiply
    202,792.28x = 279,846.02 × 110,908.43
  4. Step 4: Simplify right side
    202,792.28x = 31,037,281,465.79
  5. Step 5: Solve for x
    x = 31,037,281,465.79/202,792.28
  6. Step 6: Final answer
    x = 153,049.62

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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.