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Finding the Fourth Proportional to 101,316.87, 151,850.73 and 56,850.21

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Solution

The fourth proportional to 101,316.87, 151,850.73 and 56,850.21 is: 85,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,316.87 : 151,850.73 = 56,850.21 : x
  2. Step 2: Convert to fraction form
    101,316.87/151,850.73 = 56,850.21/x
  3. Step 3: Cross multiply
    101,316.87x = 151,850.73 × 56,850.21
  4. Step 4: Simplify right side
    101,316.87x = 8,632,745,889.15
  5. Step 5: Solve for x
    x = 8,632,745,889.15/101,316.87
  6. Step 6: Final answer
    x = 85,205.41

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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.