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Finding the Fourth Proportional to 68,162.32, 102,243.80 and 23,788.88

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Solution

The fourth proportional to 68,162.32, 102,243.80 and 23,788.88 is: 35,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,162.32 : 102,243.80 = 23,788.88 : x
  2. Step 2: Convert to fraction form
    68,162.32/102,243.80 = 23,788.88/x
  3. Step 3: Cross multiply
    68,162.32x = 102,243.80 × 23,788.88
  4. Step 4: Simplify right side
    68,162.32x = 2,432,265,488.94
  5. Step 5: Solve for x
    x = 2,432,265,488.94/68,162.32
  6. Step 6: Final answer
    x = 35,683.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.