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Finding the Fourth Proportional to 182,416.60, 273,721.02 and 129,450.64

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Solution

The fourth proportional to 182,416.60, 273,721.02 and 129,450.64 is: 194,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,416.60 : 273,721.02 = 129,450.64 : x
  2. Step 2: Convert to fraction form
    182,416.60/273,721.02 = 129,450.64/x
  3. Step 3: Cross multiply
    182,416.60x = 273,721.02 × 129,450.64
  4. Step 4: Simplify right side
    182,416.60x = 35,433,361,220.45
  5. Step 5: Solve for x
    x = 35,433,361,220.45/182,416.60
  6. Step 6: Final answer
    x = 194,244.17

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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.