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Finding the Fourth Proportional to 173,071.88, 238,839.54 and 93,583.88

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Solution

The fourth proportional to 173,071.88, 238,839.54 and 93,583.88 is: 129,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,071.88 : 238,839.54 = 93,583.88 : x
  2. Step 2: Convert to fraction form
    173,071.88/238,839.54 = 93,583.88/x
  3. Step 3: Cross multiply
    173,071.88x = 238,839.54 × 93,583.88
  4. Step 4: Simplify right side
    173,071.88x = 22,351,530,850.62
  5. Step 5: Solve for x
    x = 22,351,530,850.62/173,071.88
  6. Step 6: Final answer
    x = 129,145.94

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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.