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Finding the Fourth Proportional to 193,231.56, 266,659.56 and 108,348.63

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Solution

The fourth proportional to 193,231.56, 266,659.56 and 108,348.63 is: 149,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,231.56 : 266,659.56 = 108,348.63 : x
  2. Step 2: Convert to fraction form
    193,231.56/266,659.56 = 108,348.63/x
  3. Step 3: Cross multiply
    193,231.56x = 266,659.56 × 108,348.63
  4. Step 4: Simplify right side
    193,231.56x = 28,892,198,002.40
  5. Step 5: Solve for x
    x = 28,892,198,002.40/193,231.56
  6. Step 6: Final answer
    x = 149,521.11

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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.