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Finding the Fourth Proportional to 68,842.10, 103,203 and 26,693.14

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Solution

The fourth proportional to 68,842.10, 103,203 and 26,693.14 is: 40,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842.10 : 103,203 = 26,693.14 : x
  2. Step 2: Convert to fraction form
    68,842.10/103,203 = 26,693.14/x
  3. Step 3: Cross multiply
    68,842.10x = 103,203 × 26,693.14
  4. Step 4: Simplify right side
    68,842.10x = 2,754,812,127.42
  5. Step 5: Solve for x
    x = 2,754,812,127.42/68,842.10
  6. Step 6: Final answer
    x = 40,016.39

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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.