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Finding the Fourth Proportional to 68,866.38, 103,354.92 and 35,596.19

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Solution

The fourth proportional to 68,866.38, 103,354.92 and 35,596.19 is: 53,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.38 : 103,354.92 = 35,596.19 : x
  2. Step 2: Convert to fraction form
    68,866.38/103,354.92 = 35,596.19/x
  3. Step 3: Cross multiply
    68,866.38x = 103,354.92 × 35,596.19
  4. Step 4: Simplify right side
    68,866.38x = 3,679,041,628.14
  5. Step 5: Solve for x
    x = 3,679,041,628.14/68,866.38
  6. Step 6: Final answer
    x = 53,422.90

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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.