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Finding the Fourth Proportional to 173,313, 239,171.94 and 93,825

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Solution

The fourth proportional to 173,313, 239,171.94 and 93,825 is: 129,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,313 : 239,171.94 = 93,825 : x
  2. Step 2: Convert to fraction form
    173,313/239,171.94 = 93,825/x
  3. Step 3: Cross multiply
    173,313x = 239,171.94 × 93,825
  4. Step 4: Simplify right side
    173,313x = 22,440,307,270.50
  5. Step 5: Solve for x
    x = 22,440,307,270.50/173,313
  6. Step 6: Final answer
    x = 129,478.50

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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.