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Finding the Fourth Proportional to 68,808.45, 94,956.63 and 41,580.81

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Solution

The fourth proportional to 68,808.45, 94,956.63 and 41,580.81 is: 57,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,808.45 : 94,956.63 = 41,580.81 : x
  2. Step 2: Convert to fraction form
    68,808.45/94,956.63 = 41,580.81/x
  3. Step 3: Cross multiply
    68,808.45x = 94,956.63 × 41,580.81
  4. Step 4: Simplify right side
    68,808.45x = 3,948,373,590.27
  5. Step 5: Solve for x
    x = 3,948,373,590.27/68,808.45
  6. Step 6: Final answer
    x = 57,382.10

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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.