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Finding the Fourth Proportional to 116,060.70, 159,120.70 and 113,961.18

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Solution

The fourth proportional to 116,060.70, 159,120.70 and 113,961.18 is: 156,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,060.70 : 159,120.70 = 113,961.18 : x
  2. Step 2: Convert to fraction form
    116,060.70/159,120.70 = 113,961.18/x
  3. Step 3: Cross multiply
    116,060.70x = 159,120.70 × 113,961.18
  4. Step 4: Simplify right side
    116,060.70x = 18,133,582,734.43
  5. Step 5: Solve for x
    x = 18,133,582,734.43/116,060.70
  6. Step 6: Final answer
    x = 156,242.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.