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Finding the Fourth Proportional to 67,858.81, 101,753.44 and 35,855.07

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Solution

The fourth proportional to 67,858.81, 101,753.44 and 35,855.07 is: 53,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,858.81 : 101,753.44 = 35,855.07 : x
  2. Step 2: Convert to fraction form
    67,858.81/101,753.44 = 35,855.07/x
  3. Step 3: Cross multiply
    67,858.81x = 101,753.44 × 35,855.07
  4. Step 4: Simplify right side
    67,858.81x = 3,648,376,624.30
  5. Step 5: Solve for x
    x = 3,648,376,624.30/67,858.81
  6. Step 6: Final answer
    x = 53,764.23

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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.