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Finding the Fourth Proportional to 361,105.60, 541,744.80 and 173,963.20

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Solution

The fourth proportional to 361,105.60, 541,744.80 and 173,963.20 is: 260,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,105.60 : 541,744.80 = 173,963.20 : x
  2. Step 2: Convert to fraction form
    361,105.60/541,744.80 = 173,963.20/x
  3. Step 3: Cross multiply
    361,105.60x = 541,744.80 × 173,963.20
  4. Step 4: Simplify right side
    361,105.60x = 94,243,658,991.36
  5. Step 5: Solve for x
    x = 94,243,658,991.36/361,105.60
  6. Step 6: Final answer
    x = 260,986.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.