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Finding the Fourth Proportional to 222,581.45, 307,177.49 and 125,751.74

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Solution

The fourth proportional to 222,581.45, 307,177.49 and 125,751.74 is: 173,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,581.45 : 307,177.49 = 125,751.74 : x
  2. Step 2: Convert to fraction form
    222,581.45/307,177.49 = 125,751.74/x
  3. Step 3: Cross multiply
    222,581.45x = 307,177.49 × 125,751.74
  4. Step 4: Simplify right side
    222,581.45x = 38,628,102,634.82
  5. Step 5: Solve for x
    x = 38,628,102,634.82/222,581.45
  6. Step 6: Final answer
    x = 173,545.92

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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.