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Finding the Fourth Proportional to 68,355.70, 102,566.22 and 37,190.92

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Solution

The fourth proportional to 68,355.70, 102,566.22 and 37,190.92 is: 55,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.70 : 102,566.22 = 37,190.92 : x
  2. Step 2: Convert to fraction form
    68,355.70/102,566.22 = 37,190.92/x
  3. Step 3: Cross multiply
    68,355.70x = 102,566.22 × 37,190.92
  4. Step 4: Simplify right side
    68,355.70x = 3,814,532,082.72
  5. Step 5: Solve for x
    x = 3,814,532,082.72/68,355.70
  6. Step 6: Final answer
    x = 55,804.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.