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Finding the Fourth Proportional to 172,992.12, 238,729.02 and 93,504.12

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Solution

The fourth proportional to 172,992.12, 238,729.02 and 93,504.12 is: 129,035.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,992.12 : 238,729.02 = 93,504.12 : x
  2. Step 2: Convert to fraction form
    172,992.12/238,729.02 = 93,504.12/x
  3. Step 3: Cross multiply
    172,992.12x = 238,729.02 × 93,504.12
  4. Step 4: Simplify right side
    172,992.12x = 22,322,146,933.56
  5. Step 5: Solve for x
    x = 22,322,146,933.56/172,992.12
  6. Step 6: Final answer
    x = 129,035.63

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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.