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Finding the Fourth Proportional to 222,038.02, 306,393.94 and 125,236.54

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Solution

The fourth proportional to 222,038.02, 306,393.94 and 125,236.54 is: 172,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,038.02 : 306,393.94 = 125,236.54 : x
  2. Step 2: Convert to fraction form
    222,038.02/306,393.94 = 125,236.54/x
  3. Step 3: Cross multiply
    222,038.02x = 306,393.94 × 125,236.54
  4. Step 4: Simplify right side
    222,038.02x = 38,371,716,922.57
  5. Step 5: Solve for x
    x = 38,371,716,922.57/222,038.02
  6. Step 6: Final answer
    x = 172,815.98

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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.