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Finding the Fourth Proportional to 173,199.26, 238,926.92 and 105,198.14

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Solution

The fourth proportional to 173,199.26, 238,926.92 and 105,198.14 is: 145,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,199.26 : 238,926.92 = 105,198.14 : x
  2. Step 2: Convert to fraction form
    173,199.26/238,926.92 = 105,198.14/x
  3. Step 3: Cross multiply
    173,199.26x = 238,926.92 × 105,198.14
  4. Step 4: Simplify right side
    173,199.26x = 25,134,667,579.93
  5. Step 5: Solve for x
    x = 25,134,667,579.93/173,199.26
  6. Step 6: Final answer
    x = 145,119.95

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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.