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Finding the Fourth Proportional to 68,129.92, 94,021.32 and 41,277.34

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Solution

The fourth proportional to 68,129.92, 94,021.32 and 41,277.34 is: 56,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,129.92 : 94,021.32 = 41,277.34 : x
  2. Step 2: Convert to fraction form
    68,129.92/94,021.32 = 41,277.34/x
  3. Step 3: Cross multiply
    68,129.92x = 94,021.32 × 41,277.34
  4. Step 4: Simplify right side
    68,129.92x = 3,880,949,992.89
  5. Step 5: Solve for x
    x = 3,880,949,992.89/68,129.92
  6. Step 6: Final answer
    x = 56,963.96

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1.5x scale

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.