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Finding the Fourth Proportional to 222,992.25, 307,738.61 and 127,498.92

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Solution

The fourth proportional to 222,992.25, 307,738.61 and 127,498.92 is: 175,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,992.25 : 307,738.61 = 127,498.92 : x
  2. Step 2: Convert to fraction form
    222,992.25/307,738.61 = 127,498.92/x
  3. Step 3: Cross multiply
    222,992.25x = 307,738.61 × 127,498.92
  4. Step 4: Simplify right side
    222,992.25x = 39,236,340,417.30
  5. Step 5: Solve for x
    x = 39,236,340,417.30/222,992.25
  6. Step 6: Final answer
    x = 175,953.83

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1.5x scale

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.