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Finding the Fourth Proportional to 201,316.53, 301,787.07 and 68,104.10

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Solution

The fourth proportional to 201,316.53, 301,787.07 and 68,104.10 is: 102,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,316.53 : 301,787.07 = 68,104.10 : x
  2. Step 2: Convert to fraction form
    201,316.53/301,787.07 = 68,104.10/x
  3. Step 3: Cross multiply
    201,316.53x = 301,787.07 × 68,104.10
  4. Step 4: Simplify right side
    201,316.53x = 20,552,935,285.05
  5. Step 5: Solve for x
    x = 20,552,935,285.05/201,316.53
  6. Step 6: Final answer
    x = 102,092.64

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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.