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Finding the Fourth Proportional to 239,402.99, 359,115.42 and 89,604.43

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Solution

The fourth proportional to 239,402.99, 359,115.42 and 89,604.43 is: 134,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,402.99 : 359,115.42 = 89,604.43 : x
  2. Step 2: Convert to fraction form
    239,402.99/359,115.42 = 89,604.43/x
  3. Step 3: Cross multiply
    239,402.99x = 359,115.42 × 89,604.43
  4. Step 4: Simplify right side
    239,402.99x = 32,178,332,513.31
  5. Step 5: Solve for x
    x = 32,178,332,513.31/239,402.99
  6. Step 6: Final answer
    x = 134,410.74

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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.