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Finding the Fourth Proportional to 68,234.40, 102,254.40 and 50,325.30

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Solution

The fourth proportional to 68,234.40, 102,254.40 and 50,325.30 is: 75,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.40 : 102,254.40 = 50,325.30 : x
  2. Step 2: Convert to fraction form
    68,234.40/102,254.40 = 50,325.30/x
  3. Step 3: Cross multiply
    68,234.40x = 102,254.40 × 50,325.30
  4. Step 4: Simplify right side
    68,234.40x = 5,145,983,356.32
  5. Step 5: Solve for x
    x = 5,145,983,356.32/68,234.40
  6. Step 6: Final answer
    x = 75,416.26

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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.