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Finding the Fourth Proportional to 68,025.42, 101,933.03 and 36,439.67

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Solution

The fourth proportional to 68,025.42, 101,933.03 and 36,439.67 is: 54,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,025.42 : 101,933.03 = 36,439.67 : x
  2. Step 2: Convert to fraction form
    68,025.42/101,933.03 = 36,439.67/x
  3. Step 3: Cross multiply
    68,025.42x = 101,933.03 × 36,439.67
  4. Step 4: Simplify right side
    68,025.42x = 3,714,406,321.23
  5. Step 5: Solve for x
    x = 3,714,406,321.23/68,025.42
  6. Step 6: Final answer
    x = 54,603.21

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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.