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Finding the Fourth Proportional to 239,723.95, 359,333.16 and 79,757.16

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Solution

The fourth proportional to 239,723.95, 359,333.16 and 79,757.16 is: 119,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,723.95 : 359,333.16 = 79,757.16 : x
  2. Step 2: Convert to fraction form
    239,723.95/359,333.16 = 79,757.16/x
  3. Step 3: Cross multiply
    239,723.95x = 359,333.16 × 79,757.16
  4. Step 4: Simplify right side
    239,723.95x = 28,659,392,335.43
  5. Step 5: Solve for x
    x = 28,659,392,335.43/239,723.95
  6. Step 6: Final answer
    x = 119,551.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.