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Finding the Fourth Proportional to 68,354.57, 102,597.53 and 33,318.83

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Solution

The fourth proportional to 68,354.57, 102,597.53 and 33,318.83 is: 50,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,354.57 : 102,597.53 = 33,318.83 : x
  2. Step 2: Convert to fraction form
    68,354.57/102,597.53 = 33,318.83/x
  3. Step 3: Cross multiply
    68,354.57x = 102,597.53 × 33,318.83
  4. Step 4: Simplify right side
    68,354.57x = 3,418,428,980.91
  5. Step 5: Solve for x
    x = 3,418,428,980.91/68,354.57
  6. Step 6: Final answer
    x = 50,010.25

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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.