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Finding the Fourth Proportional to 201,836.52, 302,787.99 and 68,703.30

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Solution

The fourth proportional to 201,836.52, 302,787.99 and 68,703.30 is: 103,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,836.52 : 302,787.99 = 68,703.30 : x
  2. Step 2: Convert to fraction form
    201,836.52/302,787.99 = 68,703.30/x
  3. Step 3: Cross multiply
    201,836.52x = 302,787.99 × 68,703.30
  4. Step 4: Simplify right side
    201,836.52x = 20,802,534,113.37
  5. Step 5: Solve for x
    x = 20,802,534,113.37/201,836.52
  6. Step 6: Final answer
    x = 103,066.25

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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.