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Finding the Fourth Proportional to 202,326.88, 279,315.96 and 147,817.84

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Solution

The fourth proportional to 202,326.88, 279,315.96 and 147,817.84 is: 204,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,326.88 : 279,315.96 = 147,817.84 : x
  2. Step 2: Convert to fraction form
    202,326.88/279,315.96 = 147,817.84/x
  3. Step 3: Cross multiply
    202,326.88x = 279,315.96 × 147,817.84
  4. Step 4: Simplify right side
    202,326.88x = 41,287,881,884.73
  5. Step 5: Solve for x
    x = 41,287,881,884.73/202,326.88
  6. Step 6: Final answer
    x = 204,065.23

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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.