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Finding the Fourth Proportional to 239,783.88, 359,747.82 and 113,520.36

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Solution

The fourth proportional to 239,783.88, 359,747.82 and 113,520.36 is: 170,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,783.88 : 359,747.82 = 113,520.36 : x
  2. Step 2: Convert to fraction form
    239,783.88/359,747.82 = 113,520.36/x
  3. Step 3: Cross multiply
    239,783.88x = 359,747.82 × 113,520.36
  4. Step 4: Simplify right side
    239,783.88x = 40,838,702,035.62
  5. Step 5: Solve for x
    x = 40,838,702,035.62/239,783.88
  6. Step 6: Final answer
    x = 170,314.63

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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.