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Finding the Fourth Proportional to 202,283.94, 279,167.67 and 111,657.90

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Solution

The fourth proportional to 202,283.94, 279,167.67 and 111,657.90 is: 154,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,283.94 : 279,167.67 = 111,657.90 : x
  2. Step 2: Convert to fraction form
    202,283.94/279,167.67 = 111,657.90/x
  3. Step 3: Cross multiply
    202,283.94x = 279,167.67 × 111,657.90
  4. Step 4: Simplify right side
    202,283.94x = 31,171,275,780.09
  5. Step 5: Solve for x
    x = 31,171,275,780.09/202,283.94
  6. Step 6: Final answer
    x = 154,096.64

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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.