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Finding the Fourth Proportional to 173,456, 239,370.24 and 93,968

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Solution

The fourth proportional to 173,456, 239,370.24 and 93,968 is: 129,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,456 : 239,370.24 = 93,968 : x
  2. Step 2: Convert to fraction form
    173,456/239,370.24 = 93,968/x
  3. Step 3: Cross multiply
    173,456x = 239,370.24 × 93,968
  4. Step 4: Simplify right side
    173,456x = 22,493,142,712.32
  5. Step 5: Solve for x
    x = 22,493,142,712.32/173,456
  6. Step 6: Final answer
    x = 129,676.36

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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.