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Finding the Fourth Proportional to 68,416.65, 94,052.54 and 58,821.19

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Solution

The fourth proportional to 68,416.65, 94,052.54 and 58,821.19 is: 80,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.65 : 94,052.54 = 58,821.19 : x
  2. Step 2: Convert to fraction form
    68,416.65/94,052.54 = 58,821.19/x
  3. Step 3: Cross multiply
    68,416.65x = 94,052.54 × 58,821.19
  4. Step 4: Simplify right side
    68,416.65x = 5,532,282,237.24
  5. Step 5: Solve for x
    x = 5,532,282,237.24/68,416.65
  6. Step 6: Final answer
    x = 80,861.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.