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Finding the Fourth Proportional to 222,750.45, 307,391.90 and 125,952.75

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Solution

The fourth proportional to 222,750.45, 307,391.90 and 125,952.75 is: 173,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,750.45 : 307,391.90 = 125,952.75 : x
  2. Step 2: Convert to fraction form
    222,750.45/307,391.90 = 125,952.75/x
  3. Step 3: Cross multiply
    222,750.45x = 307,391.90 × 125,952.75
  4. Step 4: Simplify right side
    222,750.45x = 38,716,854,502.96
  5. Step 5: Solve for x
    x = 38,716,854,502.96/222,750.45
  6. Step 6: Final answer
    x = 173,812.69

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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.