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Finding the Fourth Proportional to 68,710.38, 103,035.69 and 23,736.42

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Solution

The fourth proportional to 68,710.38, 103,035.69 and 23,736.42 is: 35,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,710.38 : 103,035.69 = 23,736.42 : x
  2. Step 2: Convert to fraction form
    68,710.38/103,035.69 = 23,736.42/x
  3. Step 3: Cross multiply
    68,710.38x = 103,035.69 × 23,736.42
  4. Step 4: Simplify right side
    68,710.38x = 2,445,698,412.83
  5. Step 5: Solve for x
    x = 2,445,698,412.83/68,710.38
  6. Step 6: Final answer
    x = 35,594.31

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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.