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Finding the Fourth Proportional to 202,992.74, 304,405.82 and 60,787.90

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Solution

The fourth proportional to 202,992.74, 304,405.82 and 60,787.90 is: 91,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,992.74 : 304,405.82 = 60,787.90 : x
  2. Step 2: Convert to fraction form
    202,992.74/304,405.82 = 60,787.90/x
  3. Step 3: Cross multiply
    202,992.74x = 304,405.82 × 60,787.90
  4. Step 4: Simplify right side
    202,992.74x = 18,504,190,545.58
  5. Step 5: Solve for x
    x = 18,504,190,545.58/202,992.74
  6. Step 6: Final answer
    x = 91,156.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.