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Finding the Fourth Proportional to 68,334.76, 94,302.48 and 38,122

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Solution

The fourth proportional to 68,334.76, 94,302.48 and 38,122 is: 52,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.76 : 94,302.48 = 38,122 : x
  2. Step 2: Convert to fraction form
    68,334.76/94,302.48 = 38,122/x
  3. Step 3: Cross multiply
    68,334.76x = 94,302.48 × 38,122
  4. Step 4: Simplify right side
    68,334.76x = 3,594,999,142.56
  5. Step 5: Solve for x
    x = 3,594,999,142.56/68,334.76
  6. Step 6: Final answer
    x = 52,608.65

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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.