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Finding the Fourth Proportional to 193,696.59, 267,299.40 and 107,655.76

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Solution

The fourth proportional to 193,696.59, 267,299.40 and 107,655.76 is: 148,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,696.59 : 267,299.40 = 107,655.76 : x
  2. Step 2: Convert to fraction form
    193,696.59/267,299.40 = 107,655.76/x
  3. Step 3: Cross multiply
    193,696.59x = 267,299.40 × 107,655.76
  4. Step 4: Simplify right side
    193,696.59x = 28,776,320,054.54
  5. Step 5: Solve for x
    x = 28,776,320,054.54/193,696.59
  6. Step 6: Final answer
    x = 148,563.90

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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.