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Finding the Fourth Proportional to 68,294.89, 94,239.34 and 41,443.93

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Solution

The fourth proportional to 68,294.89, 94,239.34 and 41,443.93 is: 57,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.89 : 94,239.34 = 41,443.93 : x
  2. Step 2: Convert to fraction form
    68,294.89/94,239.34 = 41,443.93/x
  3. Step 3: Cross multiply
    68,294.89x = 94,239.34 × 41,443.93
  4. Step 4: Simplify right side
    68,294.89x = 3,905,648,610.21
  5. Step 5: Solve for x
    x = 3,905,648,610.21/68,294.89
  6. Step 6: Final answer
    x = 57,188.01

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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.