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Finding the Fourth Proportional to 140,059.79, 193,274.66 and 79,622.04

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Solution

The fourth proportional to 140,059.79, 193,274.66 and 79,622.04 is: 109,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,059.79 : 193,274.66 = 79,622.04 : x
  2. Step 2: Convert to fraction form
    140,059.79/193,274.66 = 79,622.04/x
  3. Step 3: Cross multiply
    140,059.79x = 193,274.66 × 79,622.04
  4. Step 4: Simplify right side
    140,059.79x = 15,388,922,908.56
  5. Step 5: Solve for x
    x = 15,388,922,908.56/140,059.79
  6. Step 6: Final answer
    x = 109,873.96

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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.