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Finding the Fourth Proportional to 226,695.60, 312,827.40 and 126,087.12

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Solution

The fourth proportional to 226,695.60, 312,827.40 and 126,087.12 is: 173,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,695.60 : 312,827.40 = 126,087.12 : x
  2. Step 2: Convert to fraction form
    226,695.60/312,827.40 = 126,087.12/x
  3. Step 3: Cross multiply
    226,695.60x = 312,827.40 × 126,087.12
  4. Step 4: Simplify right side
    226,695.60x = 39,443,505,923.09
  5. Step 5: Solve for x
    x = 39,443,505,923.09/226,695.60
  6. Step 6: Final answer
    x = 173,993.26

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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.