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Finding the Fourth Proportional to 68,080.53, 101,923.56 and 56,861.22

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Solution

The fourth proportional to 68,080.53, 101,923.56 and 56,861.22 is: 85,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.53 : 101,923.56 = 56,861.22 : x
  2. Step 2: Convert to fraction form
    68,080.53/101,923.56 = 56,861.22/x
  3. Step 3: Cross multiply
    68,080.53x = 101,923.56 × 56,861.22
  4. Step 4: Simplify right side
    68,080.53x = 5,795,497,968.34
  5. Step 5: Solve for x
    x = 5,795,497,968.34/68,080.53
  6. Step 6: Final answer
    x = 85,127.10

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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.