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Finding the Fourth Proportional to 281,788.88, 422,582.88 and 92,203.52

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Solution

The fourth proportional to 281,788.88, 422,582.88 and 92,203.52 is: 138,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,788.88 : 422,582.88 = 92,203.52 : x
  2. Step 2: Convert to fraction form
    281,788.88/422,582.88 = 92,203.52/x
  3. Step 3: Cross multiply
    281,788.88x = 422,582.88 × 92,203.52
  4. Step 4: Simplify right side
    281,788.88x = 38,963,629,027.74
  5. Step 5: Solve for x
    x = 38,963,629,027.74/281,788.88
  6. Step 6: Final answer
    x = 138,272.42

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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.