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Finding the Fourth Proportional to 173,209.50, 239,029.83 and 93,721.50

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Solution

The fourth proportional to 173,209.50, 239,029.83 and 93,721.50 is: 129,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,209.50 : 239,029.83 = 93,721.50 : x
  2. Step 2: Convert to fraction form
    173,209.50/239,029.83 = 93,721.50/x
  3. Step 3: Cross multiply
    173,209.50x = 239,029.83 × 93,721.50
  4. Step 4: Simplify right side
    173,209.50x = 22,402,234,212.35
  5. Step 5: Solve for x
    x = 22,402,234,212.35/173,209.50
  6. Step 6: Final answer
    x = 129,336.06

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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.