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Finding the Fourth Proportional to 250,096.76, 345,134.54 and 136,930.04

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Solution

The fourth proportional to 250,096.76, 345,134.54 and 136,930.04 is: 188,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,096.76 : 345,134.54 = 136,930.04 : x
  2. Step 2: Convert to fraction form
    250,096.76/345,134.54 = 136,930.04/x
  3. Step 3: Cross multiply
    250,096.76x = 345,134.54 × 136,930.04
  4. Step 4: Simplify right side
    250,096.76x = 47,259,286,367.58
  5. Step 5: Solve for x
    x = 47,259,286,367.58/250,096.76
  6. Step 6: Final answer
    x = 188,964.01

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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.