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Finding the Fourth Proportional to 222,581.40, 307,177.40 and 125,751.67

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Solution

The fourth proportional to 222,581.40, 307,177.40 and 125,751.67 is: 173,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,581.40 : 307,177.40 = 125,751.67 : x
  2. Step 2: Convert to fraction form
    222,581.40/307,177.40 = 125,751.67/x
  3. Step 3: Cross multiply
    222,581.40x = 307,177.40 × 125,751.67
  4. Step 4: Simplify right side
    222,581.40x = 38,628,068,871.61
  5. Step 5: Solve for x
    x = 38,628,068,871.61/222,581.40
  6. Step 6: Final answer
    x = 173,545.81

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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.