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Finding the Fourth Proportional to 68,962, 95,167.56 and 39,154

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Solution

The fourth proportional to 68,962, 95,167.56 and 39,154 is: 54,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962 : 95,167.56 = 39,154 : x
  2. Step 2: Convert to fraction form
    68,962/95,167.56 = 39,154/x
  3. Step 3: Cross multiply
    68,962x = 95,167.56 × 39,154
  4. Step 4: Simplify right side
    68,962x = 3,726,190,644.24
  5. Step 5: Solve for x
    x = 3,726,190,644.24/68,962
  6. Step 6: Final answer
    x = 54,032.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.