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Finding the Fourth Proportional to 68,693.19, 94,747.42 and 63,046.14

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Solution

The fourth proportional to 68,693.19, 94,747.42 and 63,046.14 is: 86,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,693.19 : 94,747.42 = 63,046.14 : x
  2. Step 2: Convert to fraction form
    68,693.19/94,747.42 = 63,046.14/x
  3. Step 3: Cross multiply
    68,693.19x = 94,747.42 × 63,046.14
  4. Step 4: Simplify right side
    68,693.19x = 5,973,459,105.96
  5. Step 5: Solve for x
    x = 5,973,459,105.96/68,693.19
  6. Step 6: Final answer
    x = 86,958.53

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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.