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Finding the Fourth Proportional to 222,038, 306,393.92 and 125,236.52

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Solution

The fourth proportional to 222,038, 306,393.92 and 125,236.52 is: 172,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,038 : 306,393.92 = 125,236.52 : x
  2. Step 2: Convert to fraction form
    222,038/306,393.92 = 125,236.52/x
  3. Step 3: Cross multiply
    222,038x = 306,393.92 × 125,236.52
  4. Step 4: Simplify right side
    222,038x = 38,371,708,289.96
  5. Step 5: Solve for x
    x = 38,371,708,289.96/222,038
  6. Step 6: Final answer
    x = 172,815.95

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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.