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Finding the Fourth Proportional to 173,380.50, 239,265.09 and 93,892.50

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Solution

The fourth proportional to 173,380.50, 239,265.09 and 93,892.50 is: 129,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,380.50 : 239,265.09 = 93,892.50 : x
  2. Step 2: Convert to fraction form
    173,380.50/239,265.09 = 93,892.50/x
  3. Step 3: Cross multiply
    173,380.50x = 239,265.09 × 93,892.50
  4. Step 4: Simplify right side
    173,380.50x = 22,465,197,462.83
  5. Step 5: Solve for x
    x = 22,465,197,462.83/173,380.50
  6. Step 6: Final answer
    x = 129,571.65

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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.