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Finding the Fourth Proportional to 226,587, 312,690.60 and 126,004.44

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Solution

The fourth proportional to 226,587, 312,690.60 and 126,004.44 is: 173,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,587 : 312,690.60 = 126,004.44 : x
  2. Step 2: Convert to fraction form
    226,587/312,690.60 = 126,004.44/x
  3. Step 3: Cross multiply
    226,587x = 312,690.60 × 126,004.44
  4. Step 4: Simplify right side
    226,587x = 39,400,403,946.26
  5. Step 5: Solve for x
    x = 39,400,403,946.26/226,587
  6. Step 6: Final answer
    x = 173,886.43

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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.