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Finding the Fourth Proportional to 193,518.49, 267,054.45 and 108,635.53

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Solution

The fourth proportional to 193,518.49, 267,054.45 and 108,635.53 is: 149,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,518.49 : 267,054.45 = 108,635.53 : x
  2. Step 2: Convert to fraction form
    193,518.49/267,054.45 = 108,635.53/x
  3. Step 3: Cross multiply
    193,518.49x = 267,054.45 × 108,635.53
  4. Step 4: Simplify right side
    193,518.49x = 29,011,601,714.61
  5. Step 5: Solve for x
    x = 29,011,601,714.61/193,518.49
  6. Step 6: Final answer
    x = 149,916.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.