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Finding the Fourth Proportional to 192,956.16, 266,287.76 and 112,370.67

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Solution

The fourth proportional to 192,956.16, 266,287.76 and 112,370.67 is: 155,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,956.16 : 266,287.76 = 112,370.67 : x
  2. Step 2: Convert to fraction form
    192,956.16/266,287.76 = 112,370.67/x
  3. Step 3: Cross multiply
    192,956.16x = 266,287.76 × 112,370.67
  4. Step 4: Simplify right side
    192,956.16x = 29,922,933,442.15
  5. Step 5: Solve for x
    x = 29,922,933,442.15/192,956.16
  6. Step 6: Final answer
    x = 155,076.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.