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Finding the Fourth Proportional to 171,976.53, 237,349.52 and 103,994.00

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Solution

The fourth proportional to 171,976.53, 237,349.52 and 103,994.00 is: 143,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976.53 : 237,349.52 = 103,994.00 : x
  2. Step 2: Convert to fraction form
    171,976.53/237,349.52 = 103,994.00/x
  3. Step 3: Cross multiply
    171,976.53x = 237,349.52 × 103,994.00
  4. Step 4: Simplify right side
    171,976.53x = 24,682,924,276.16
  5. Step 5: Solve for x
    x = 24,682,924,276.16/171,976.53
  6. Step 6: Final answer
    x = 143,524.96

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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.