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Finding the Fourth Proportional to 167,396.73, 230,981.54 and 107,020.95

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Solution

The fourth proportional to 167,396.73, 230,981.54 and 107,020.95 is: 147,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,396.73 : 230,981.54 = 107,020.95 : x
  2. Step 2: Convert to fraction form
    167,396.73/230,981.54 = 107,020.95/x
  3. Step 3: Cross multiply
    167,396.73x = 230,981.54 × 107,020.95
  4. Step 4: Simplify right side
    167,396.73x = 24,719,863,308.16
  5. Step 5: Solve for x
    x = 24,719,863,308.16/167,396.73
  6. Step 6: Final answer
    x = 147,672.32

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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.