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Finding the Fourth Proportional to 173,393, 239,282.34 and 93,905

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Solution

The fourth proportional to 173,393, 239,282.34 and 93,905 is: 129,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,393 : 239,282.34 = 93,905 : x
  2. Step 2: Convert to fraction form
    173,393/239,282.34 = 93,905/x
  3. Step 3: Cross multiply
    173,393x = 239,282.34 × 93,905
  4. Step 4: Simplify right side
    173,393x = 22,469,808,137.70
  5. Step 5: Solve for x
    x = 22,469,808,137.70/173,393
  6. Step 6: Final answer
    x = 129,588.90

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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.