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Finding the Fourth Proportional to 202,318.44, 279,199.47 and 111,674.45

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Solution

The fourth proportional to 202,318.44, 279,199.47 and 111,674.45 is: 154,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,318.44 : 279,199.47 = 111,674.45 : x
  2. Step 2: Convert to fraction form
    202,318.44/279,199.47 = 111,674.45/x
  3. Step 3: Cross multiply
    202,318.44x = 279,199.47 × 111,674.45
  4. Step 4: Simplify right side
    202,318.44x = 31,179,445,856.54
  5. Step 5: Solve for x
    x = 31,179,445,856.54/202,318.44
  6. Step 6: Final answer
    x = 154,110.75

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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.