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Finding the Fourth Proportional to 193,663.86, 267,246.45 and 117,199.86

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Solution

The fourth proportional to 193,663.86, 267,246.45 and 117,199.86 is: 161,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,663.86 : 267,246.45 = 117,199.86 : x
  2. Step 2: Convert to fraction form
    193,663.86/267,246.45 = 117,199.86/x
  3. Step 3: Cross multiply
    193,663.86x = 267,246.45 × 117,199.86
  4. Step 4: Simplify right side
    193,663.86x = 31,321,246,525.50
  5. Step 5: Solve for x
    x = 31,321,246,525.50/193,663.86
  6. Step 6: Final answer
    x = 161,729.95

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1.5x scale

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.