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Finding the Fourth Proportional to 158,861.10, 237,928.73 and 75,813.42

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Solution

The fourth proportional to 158,861.10, 237,928.73 and 75,813.42 is: 113,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,861.10 : 237,928.73 = 75,813.42 : x
  2. Step 2: Convert to fraction form
    158,861.10/237,928.73 = 75,813.42/x
  3. Step 3: Cross multiply
    158,861.10x = 237,928.73 × 75,813.42
  4. Step 4: Simplify right side
    158,861.10x = 18,038,190,737.56
  5. Step 5: Solve for x
    x = 18,038,190,737.56/158,861.10
  6. Step 6: Final answer
    x = 113,546.93

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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.