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Finding the Fourth Proportional to 68,396.16, 102,569.56 and 26,254.56

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Solution

The fourth proportional to 68,396.16, 102,569.56 and 26,254.56 is: 39,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,396.16 : 102,569.56 = 26,254.56 : x
  2. Step 2: Convert to fraction form
    68,396.16/102,569.56 = 26,254.56/x
  3. Step 3: Cross multiply
    68,396.16x = 102,569.56 × 26,254.56
  4. Step 4: Simplify right side
    68,396.16x = 2,692,918,667.19
  5. Step 5: Solve for x
    x = 2,692,918,667.19/68,396.16
  6. Step 6: Final answer
    x = 39,372.37

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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.