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Finding the Fourth Proportional to 173,857, 239,937.86 and 97,374.84

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Solution

The fourth proportional to 173,857, 239,937.86 and 97,374.84 is: 134,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857 : 239,937.86 = 97,374.84 : x
  2. Step 2: Convert to fraction form
    173,857/239,937.86 = 97,374.84/x
  3. Step 3: Cross multiply
    173,857x = 239,937.86 × 97,374.84
  4. Step 4: Simplify right side
    173,857x = 23,363,910,727.44
  5. Step 5: Solve for x
    x = 23,363,910,727.44/173,857
  6. Step 6: Final answer
    x = 134,385.79

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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.